OAKLEY, TODD H. (USA) - see LUM, KIMBERLY E. , SYME, ANNA E. , SCHWAB, ANASTASIA K. & OAKLEY, TODD H. (USA)

OBANDO, LENIN A. (Nicaragua) - see SUNYER, JAVIER (Nicaragua), WAKE, DAVID B. (USA), TOWNSEND, JOSIAH H. (USA), TRAVERS, SCOTT L. (USA), ROVITO, SEAN M. (USA), PAPENFUSS, THEODORE J. (USA), OBANDO, LENIN A. (Nicaragua) & KÖHLER, GUNTHER (Germany)

RANULFO GONZÁLEZ OBANDO (Colombia)

OBANDO, RANULFO GONZÁLEZ  (Colombia), ALDRETE, ALFONSO NERI GARCÍA  (Mexico) & NANCY CARREJO, SORAYA  (Colombia)
A new species of Steleops Enderlein, and a Colombian record of S. pulcher New (Psocodea: ‘Psocoptera’: Psocidae)
Zootaxa 2735: 23–27 (10 Jan. 2010) 
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Zootaxa 3139: 28–54 (21 Dec. 2011) 15 plates; 9 references                      Accepted: 9 Nov. 2011
New species of Steleops (Psocodea: ‘Psocoptera’: Psocidae) from Brazil, Colombia, Mexico and Peru
RANULFO GONZÁLEZ OBANDO (Colombia), ALFONSO N. GARCÍA ALDRETE (Mexico) & NANCY SORAYA CARREJO (Colombia)
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Zootaxa 3050: 55–62 (06 Oct. 2011) 3 plates; 5 references                  Accepted: 13 Sep. 2011
Three new species of Loneura (Psocodea:’Psocoptera’:Ptiloneuridae) from Gorgona Island, Cauca, Colombia, with a new infrageneric classification 
ALFONSO N. GARCÍA ALDRETE (Mexico), RANULFO GONZÁLEZ OBANDO (Colombia) & FABIO A. SARRIA SARRIA (Colombia)
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JR., CHARLES W. O’BRIEN (USA)

Zootaxa 3102: 27–49 (18 Nov. 2011) 70 plates; 28 references                         Accepted: 15 Aug. 2011
A redefinition of the Curculionini of the world, with a key to subtribes and genera, and two new genera: Pseudoculio and Megaoculis (Coleoptera: Curculionidae: Curculioninae)
FRANK W. PELSUE, JR., CHARLES W. O’BRIEN (USA)
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OBENAT, SANDRA M. (Argentina)

Article
Zootaxa 2990: 30–44 (09 Aug. 2011) 9 plates; 43 references                     Accepted: 22 Jun. 2011
Three Pseudocerotidae species (Platyhelminthes, Polycladida, Cotylea) from the Argentinean coast 
VERÓNICA N. BULNES, MARIANO J. ALBANO, SANDRA M. OBENAT & NÉSTOR J. CAZZANIGA (Argentina)
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OBERPRIELER, R.G. (Australia) , MARVALDI, A.E. (Argentina) & ANDERSON, R.S. (Canada)
Weevils, Weevils, Weevils Everywhere
Zootaxa 1668: 491-520 (21 Dec. 2007)
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OBERPRIELER, ROLF G. (Australia)
A reclassification of the weevil subfamily Cyclominae (Coleoptera: Curculionidae)
Zootaxa 2515: 1–35 (23 Jun. 2010) 
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OBERPRIELER, ROLF G. (Australia), THOMPSON, RICHARD T. (UK) & PETERSON, MAGNUS (Australia)
Darwin’s forgotten weevil
Zootaxa 2675: 33–46 (12 Nov. 2010)
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OBUCHI, MASAMI , KOGO, ICHIZO  & FUJITA, YOSHIHISA  (Japan)
A new brooding feather star of the genus Dorometra (Echinodermata: Crinoidea: Comatulida: Antedonidae) from the Ryukyu Islands, southwestern Japan
Zootaxa 2008: 61-68 (11 Feb. 2009) 
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OBUID-ALLAH, AHMAD H. (Egypt) - see EL-WAKEIL, KHALEID F. ABD., AHMED, ELHAM S., OBUID-ALLAH, AHMAD H. & ELSHIMY, NASSER A. (Egypt)

OCAMPO, F.C. (USA)

OCAMPO, F.C. (USA)
Two new species of Hybochaetodus Arrow (Coleoptera: Scarabaeoidea: Hybosoridae: Anaidinae) from Peru
Zootaxa 1304: 49-59 (28 Aug. 2006)  
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OCAMPO, F.C. (USA) & SMITH, A.B.T. (Canada)
Puelchesia gracilis, a new genus and species of Pachydemini endemic to the Monte biogeographic province in Argentina (Coleoptera: Scarabaeidae: Melolonthinae)
Zootaxa 1349: 53-62 (2 Nov. 2006)  
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OCAMPO, Federico C. & FERNANDO Z. VAZ-DE-MELLO (Brazil)
The genus Xenaclopus Arrow (Coleoptera: Scarabaeidae): redescription and removal from the Aclopinae, with systematic notes
Zootaxa 1916: 57-62 (27 Oct. 2008) 
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OCAMPO, FEDERICO C. (Argentina) & COLBY, JULIA (USA)
Parallidiostoma tricornum Ocampo and Colby, a new genus and species of Allidiostomatinae from Peru (Coleoptera: Scarabaeidae)
Zootaxa 2287: 64-68 (11 Nov. 2009) 
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Zootaxa 2854: 1–73 (29 Apr. 2011) 25 plates; 80 references                      Accepted: 22 Dec. 2010
A multilingual key to the genera and subgenera of the subfamily Scarabaeinae of the New World (Coleoptera: Scarabaeidae)
FERNANDO Z. VAZ-DE-MELLO (Brazil), W. D. EDMONDS (USA), FEDERICO C. OCAMPO (Argentina) & PAUL SCHOOLMEESTERS (Belgium)
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OCEGUERA-FIGUEROA, A. (Mexico)
A new species of freshwater leech of the genus Haementeria (Annelida: Glossiphoniidae) from Jalisco State, Mexico
Zootaxa 1110: 39-45 (17 Jan. 2006) 
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OCHOA, J.A. (Peru) - see CHAPARRO, J.C. (Peru), DE LA RIVA, I. (Spain), PADIAL, J.M. (Spain), OCHOA, J.A. (Peru) & LEHR, E. (Germany)

OCHOA, RONALD (USA)

OCHOA, R. (USA) - see LOFEGO, A.C. (Brazil), DE MORAES, G.J. (Brazil) & OCHOA, R. (USA)

OCHOA, RONALD (USA) - see MESA, NORA C. (Colombia), OCHOA, RONALD (USA), WELBOURN, W. CALVIN (USA), VANS, GREGORY A. E(USA) & DE MORAES, GILBERTO J. (Brazil)

Zootaxa 2941: 1–37 (06 Jul. 2011) 25 plates; 17 references                       Accepted: 11 May 2011
New flat mite genera (Acari: Trombidiformes: Tenuipalpidae) associated with Australian sedges (Cyperaceae)
JENNIFER J. BEARD (Australia) & RONALD OCHOA (USA)
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OCONNOR, BARRY M. (USA) - see BOCHKOV, ANDRE V. (Russia), SVETLANA ZABLUDOVSKAYA (Ukraine) & BARRY M. OCONNOR (USA)

OCONNOR, BARRY (USA) - see SKORACKI, MACIEJ (Poland) & OCONNOR, BARRY (USA)

ODIERNA, G. (Italy) - see ARRIBAS, O. (Spain), CARRANZA, S. (Spain) & ODIERNA, G. (Italy) 

OHBAYASHI,  NOBUO  (Japan)

Zootaxa 2882: 35–50 (18 May 2011) 8 plates; 15 references                      Accepted: 24 Mar. 2011
Review of the genus Paragolsinda Breuning, 1956 (Coleoptera, Cerambycidae, Lamiinae, Mesosini), with reconsideration of the endophallic terminology
JUNSUKE YAMASAKO & NOBUO OHBAYASHI (Japan)
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OKAJIMA, S. (Japan) - see MASUMOTO, M. & OKAJIMA, S. (Japan)

OKAJIMA, S. (Japan) - see YAMADA, K. (Japan), HIROWATARI, T. (Japan), SUSILA, W. (Indonesia) & OKAJIMA, S. (Japan)

OKAJIMA, S. (Japan) - see ISHIKAWA, T. (Japan), TORIUMI, W. (Japan), SUSILA, W. (Indonesia) & OKAJIMAE, S. (Japan)

OKAJIMA, S. (Japan) - see ISHIKAWA, T. (Japan), SUMIARTHA, K. (Indonesia) & OKAJIMA, S. (Japan)

OKUNO, J. (Japan) - see OSAWA, M. , FUJITA, Y. & OKUNO, J. (Japan)

OKYAR, ZUHAL (Turkey) & MIRONOV, VLADIMIR (Russia)
Checklist of the Geometridae of European Turkey, with new records (Lepidoptera)
Zootaxa 1789: 1-56 (11 Jun. 2008) 
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OCAMPO,  F.C. (USA)
A new species of the Neotropical genus Daimothoracodes Petrovitz (Coleoptera: Scarabaeoidea: Hybosoridae)
Zootaxa 1048: 45-51 (13 Sept. 2005) 
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OCEGUERA-FIGUEROA, A.  & LEON-REGAGNON, V.  (Mexico)
A new freshwater leech species of Helobdella (Annelida: Glossiphoniidae) from central Mexico
Zootaxa 976: 1-8 (13 May 2005) 
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OCHOA, R. (USA) - see LOFEGO, A.C. (Brazil), OCHOA, R. (USA) & MORAES, G.J. (Brazil)

OCHOA, R. (USA) - see MESA, N.C. (Brazil), MORAES, G.J. DE (Brazil) & OCHOA, R. (USA)

OCONNOR, B.M. (USA) - see REEVES, W.K., DURDEN, L.A., RITZI, C.M., BECKHAM, K.R., SUPER, P.E., OCONNOR, B.M. (USA)

Zootaxa 2936: 1–50 (01 Jul. 2011) 0 plates; 118 references                         Accepted: 2 May 2011
Catalog of the Acari types deposited in the American Museum of Natural History, New York (Arthropoda: Arachnida)
FABIO A. HERNANDES (France), JEREMY C. HUFF (USA) & BARRY M. OCONNOR (USA)
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ODDONE, M.C. , MARÇAL, A.S. & VOOREN, C.M. (Brazil)
Egg capsules of Atlantoraja cyclophora (Regan, 1903) and A. platana (Günther, 1880) (Pisces, Elasmobranchii, Rajidae)
Zootaxa 426: 1-4 (6 February 2004) 
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ODÉ, BAUDEWIJN (The Netherlands) 

ODÉ, BAUDEWIJN (The Netherlands) - see KLEUKERS, ROY M.J.C. (The Netherlands), ODÉ, BAUDEWIJN (The Netherlands) & FONTANA, PAOLO (Italy)

Zootaxa 2784: 51–61 (7 Mar. 2011) 10 plates; 17 references                         Accepted: 7 Jan. 2011
Platycleis galvagnii, a peculiar new bushcricket from Sardinia (Italy) (Insecta, Orthoptera, Tettigoniidae)
PAOLO FONTANA (Italy), FILIPPO M. BUZZETTI (Italy), ROY M.J.C. KLEUKERS (The Netherlands) & BAUDEWIJN ODÉ (The Netherlands)
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ODEGAARD, F. (Norway) - see KIRKENDALL, L.R. & ODEGAARD, F. (Norway)

ODILE, BAIN (France) - see BRIGITTE, PLANADE., ODILE, BAIN., JEAN-PAUL, LENA & PIERRE, JOLY (France)

O'DONNELL, J.E. (USA)
A new species of Xestocoris Van Duzee, with comments on the genus (Hemiptera: Heteroptera: Rhyparochromidae: Rhyparochrominae)
Zootaxa 1606: 51-57 (3 Oct. 2007) 
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ODURO, WILLIAM  (Ghana) - see ADUM, GILBERT BAASE  (Ghana), OFORI-BOATENG, CALEB  (Ghana), ODURO, WILLIAM  (Ghana) & RÖDEL,  MARK-OLIVER (Germany)

OFORI-BOATENG, CALEB  (Ghana) - see ADUM, GILBERT BAASE  (Ghana), OFORI-BOATENG, CALEB  (Ghana), ODURO, WILLIAM  (Ghana) & RÖDEL,  MARK-OLIVER (Germany)

L.P. VAN OFWEGEN (The Nitherlands)

Article
Zootaxa 3107: 38–46 (23 Nov. 2011) 04 plates; 16 references                         Accepted: 23 Nov. 2011
A probably invasive new genus and new species of soft coral (Octocorallia: Alcyonacea: Clavulariidae) from Brazil
L.P. VAN OFWEGEN (The Nitherlands) & M.A. HADDAD (Brazil)
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OFWEGEN, L.P. VAN  (The Netherlands) - see NAMIN, K. SAMIMI  (Iran) & OFWEGEN, L.P. VAN  (The Netherlands)

OGATA, KAZUO  (Japan) see - HOSOISHI, SHINGO  & OGATA, KAZUO  (Japan)

OGBOGU, S. S. (Nigeria)
First report of Aethaloptera dispar Brauer 1875 (Trichoptera: Hydropsychidae) from Ile-Ife, southwestern Nigeria, West Africa
Zootaxa 1088: 25-32 (29 Nov. 2005)
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OGDEN, T. HEATH., OSBORNE, JONATHAN T., JACOBUS, LUKE M.  & WHITING, MICHAEL F.  (USA)
Combined molecular and morphological phylogeny of Ephemerellinae (Ephemerellidae: Ephemeroptera), with remarks about classification
Zootaxa 1991: 28-42 (30 Jan. 2009)
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OGIHARA, GOTA (Japan)

Zootaxa 3111: 64–66 (28 Nov. 2011) 2 plates; 11 references                         Accepted: 25 Oct. 2011
Primary type status of Perca cirrosa Thunberg, 1793 (Scorpaenidae)
HIROYUKI MOTOMURA, YUKO TAKIGAWA, GOTA OGIHARA & TETSUO YOSHINO (Japan)
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OGOL, C.K.P.O.  (Kenya) - see FIABOE, K.K.M. (Kenya), GONDIM Jr. M.G.C. (Brazil), DE MORAES, G.J. (Brazil), OGOL, C.K.P.O.  (Kenya) & KNAPP, M. (Uganda)

O’GRADY, PATRICK M (USA)

O’GRADY, P.  (USA), BONACUM, J. (USA), DESALLE, R. (USA) & DO VAL, F.  (Brazil)
The placement of Engiscaptomyza, Grimshawomyia, and Titanochaeta, three clades of endemic Hawaiian Drosophilidae (Diptera)
Zootaxa 159: 1-16 (12 March 2003) 
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O'GRADY, P. M. (USA) -see OLIVEIRA, D. C. S. G. , O'GRADY, P. M. , ETGES, W. J. , HEED, W. B. & DeSALLE, R. (USA)

O'GRADY, P. M. (USA) -see OLIVEIRA, D. C. S. G., LEONIDAS, M., ETGES, W. J., O'GRADY, P. M. & DeSALLE, R. (USA)

O'GRADY, P. M. (USA) -see MAGNACCA, K.N., FOOTE, D. & O'GRADY, P.M. (USA)

PATRICK M. O'GRADY (USA) - see MAGNACCA, KARL N. (Ireland) & PATRICK M. O'GRADY (USA)

PATRICK M. O'GRADY (USA) - see LAPOINT, RICHARD T. (USA), MAGNACCA, KARL N. (Ireland) & O’GRADY, PATRICK M. (USA)

Zootaxa 2805: 1–25 (30 Mar. 2011) 9 plates; 29 references                         Accepted: 28 Feb. 2011
Review of the native Hawaiian leafhopper genus Nesophrosyne (Hemiptera: Cicadellidae: Deltocephalinae) with description of eight new species associated with Broussaisia arguta (Hydrangeaceae)
GORDON M BENNETT & PATRICK M O’GRADY (USA)
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O’GUINN, M.L.   (USA) - see LI, C. , LEE, J. S. , GROEBNER, J.L. , KIM, H.-C. , KLEIN, T.A. , O’GUINN, M.L.  & WILKERSON, R. C. (USA) 

OGUNLANA, M.V. (USA), HOOGE, M.D. (USA), TEKLE, Y.I. (Sweden), BENAYAHU, Y. (Israel), BARNEAH, O. (Israel) & TYLER, S. (USA)
Waminoa brickneri n. sp. (Acoela: Acoelomorpha) associated with corals in the Red Sea
Zootaxa 1008: 1-11 (14 Jun. 2005) 
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O’HARA, J.E. (Canada) 
A review of the tachinid parasitoids (Diptera: Tachinidae) of Nearctic Choristoneura species (Lepidoptera: Tortricidae), with keys to adults and puparia
Zootaxa 938: 1-46 (12 Apr. 2005) 
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O'hara, James E.  (Canada) - see Evenhuis, Neal L. (USA) & O'hara, James E.  (Canada)

O’HARA, JAMES E.  (Canada)
Resurrection of the name Pachycheta Portschinsky for a genus of Tachinidae (Diptera)
Zootaxa 1989: 66-68 (27 Jan. 2009) 
Full article (PDF; 40KB)   open access 

O’HARA, JAMES E. (Canada), SHIMA, HIROSHI (Japan) & ZHANG, CHUNTIAN (P.R. China)
ANNOTATED CATALOGUE OF THE TACHINIDAE (INSECTA: DIPTERA) OF CHINA
Zootaxa 2190: 1-236 (6 Aug. 2009) 
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O’HARA, JAMES E.  (Canada) - see EVENHUIS, NEAL L. (USA), O’HARA, JAMES E.  (Canada), PAPE, THOMAS (Denmark) & PONT, ADRIAN C. (UK)

Zootaxa 2933: 57–64 (29 Jun. 2011) 0 plates; 44 references                         Accepted: 11 Jun. 2011
Cyber nomenclaturalists and the “CESA itch”
JAMES E. O’HARA (Canada)
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Zootaxa 3141: 1–268 (23 Dec. 2011) 5 plates; 557 references                     Accepted: 9 Nov. 2011
Nomenclatural Studies Toward a World List of Diptera Genus-Group Names. Part II: Camillo Rondani
JAMES E. O’HARA, PIERFILIPPO CERRETTI, THOMAS PAPE & NEAL L. EVENHUIS
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ÔHARA, K. (Japan) - see CHOI, D.-S. (R. Korea), ÔHARA, K. (Japan) & HAN, H.-Y. (R. Korea)

O’HARA, TIMOTHY  (Australia) -see MILLS, V. SADIE (New Zealand) & O’HARA, TIMOTHY  (Australia)

OHASHI, K. (Japan)    - see EHARA, S. & OHASHI, K. (Japan)  

OHL, M. (Germany) - see LOHRMANN, V. & OHL, M. (Germany)

OHLER, A. (France) - see BORDOLOI, S. (India), BORTAMULI, T. (India) & OHLER, A. (France)

OHLER, A. (France) - see Bour, R. & Ohler, A. (France)

OHLER, ANNEMARIE (France) - see HUMTSOE, L. NZANO (India), BORDOLOI, SABITRY (India), OHLER, ANNEMARIE (France) & DUBOIS, ALAIN (France)

OHLER, ANNEMARIE (France), DEUTI, KAUSHIK (India), GROSJEAN, STÉPHANE (India), PAUL, SUBHADIP (India), AYYASWAMY, ANAND KUMAR (India), AHMED, M. FIROZ (India), & DUTTA, SUSHIL K. (India)
Small-sized dicroglossids from India, with the description of a new species from West Bengal, India
Zootaxa 2209: 43-56 (26 Aug. 2009)
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Zootaxa 3147: 1–83 (23 Dec. 2011) 36 plates; 127 references                     Accepted: 17 Oct. 2011
Sorting out Lalos: description of new species and additional taxonomic data on megophryid frogs from northern Indochina (genus Leptolalax, Megophryidae, Anura)
ANNEMARIE OHLER *, KATHARINA C. WOLLENBERG , STÉPHANE GROSJEAN, RALF HENDRIX, MIGUEL VENCES , THOMAS ZIEGLER & ALAIN DUBOIS
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OHLSON, JAN I.  (Sweden), FJELDSÅ, JON  (Denmark) & ERICSON, PER G. P.  (Sweden)
A new genus for three species of tyrant flycatchers (Passeriformes: Tyrannidae), formerly placed in Myiophobus
Zootaxa 2290: 36-40 (16 Nov. 2009) 
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OJANGUREN-AFFILASTRO, ANDRES ALEJANDRO (Argentina)
A new endemic scorpion species from the Somuncura Plateau, in northern Patagonia (Scorpiones, Bothriuridae)
Zootaxa 1466: 47-54 (7 May 2007) 
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OJANGUREN-AFFILASTRO, ANDRÉS ALEJANDRO., CAMPÓN, FLORENCIA FERNÁNDEZ., SILNIK, SUSANA LAGOS & MATTONI, CAMILO IVÁN (Argentina)
The genus Orobothriurus Maury in central Argentina with description of a new species from El Nevado mountain chain in Mendoza Province (Scorpiones: Bothriuridae)
Zootaxa 2209: 28-42 (26 Aug. 2009) 
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OJANGUREN-AFFILASTRO, ANDRÉS ALEJANDRO  & GARCIA-MAURO, IGNACIO  (Argentina)
A new Bothriurus (Scorpiones, Bothriuridae) from the Somuncura Plateau, with additions to the knowledge to the endemic scorpion fauna of the area
Zootaxa 2488: 52–64 (31 May 2010) 
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OKAJIMA,  S. (Japan) - see MASUMOTO, M. & OKAJIMA,  S. (Japan)

OKAJIMA, S. (Japan) - see MASUMOTO, M. & OKAJIMA, S. (Japan) 

OKAJIMA, S. (Japan) - see MASUMOTO, M. & OKAJIMA, S. (Japan) 

Article
Zootaxa 3118: 45–50 (05 Dec. 2011) 03 plates; 06 references                  Accepted: 21 Oct. 2011
A new species of the genus Trichromothrips (Thysanoptera, Thripidae) from bamboo in Thailand, Malaysia and Vietnam
MASAMI MASUMOTO & SHÛJI OKAJIMA (Japan)
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OKTENER, A. (Turkey)
A checklist of parasitic helminths reported from sixty-five species of marine fish from Turkey including two new records of monogeneans
Zootaxa 1063: 33-52 (14 Oct. 2005) 
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 OKUBO, ICHIRO  (Japan)

Zootaxa 2874: 1–37 (11 May 2011) 12 plates; 89 references                      Accepted: 23 Feb. 2011
Recent Cyprididae and Ilyocyprididae (Crustacea: Ostracoda) from Lake Biwa, Japan, including a summary of the lake’s ostracod fauna
ROBIN J. SMITH (Japan), HORST JANZ (Germany) & ICHIRO OKUBO (Japan)
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OKUNO, J. (Japan) - see BRUCE, A.J. (Australia), OKUNO, J. (Japan) & LI,  X.Z. (P.R. China)

OKUNO, JUNJI  (Japan)
Cuapetes Clark, 1919, a senior synonym of Kemponia Bruce, 2004 (Crustacea: Decapoda: Palaemonidae)
Zootaxa 2028: 67-68 (6 Mar. 2009) 
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OKUNO, JUNJI  (Japan) - see MARIN, IVAN  (Russia), OKUNO, JUNJI  (Japan) & CHAN, TIN-YAM  (R. China)

O'HARA, J.E. (Canada)
A new species of Myiopharus Brauer and Bergenstamm (Diptera: Tachinidae) parasitic on adults of the sunflower beetle, Zygogramma exclamationis (Fabricius)
Zootaxa 1521: 31-41 (5 Jul. 2007) 
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OHKAWA, AYUKO  (Japan)

Zootaxa 2801: 1–26 (25 Mar. 2011) 8 plates; 32 references                          Accepted: 7 Feb. 2011
The genus Hydroptila Dalman (Trichoptera, Hydroptilidae) in Japan
TOMIKO ITO, AYUKO OHKAWA & TOSHIO HATTORI (Japan)
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OHL, MICHAEL  (Germany)

OHL, MICHAEL & KRAUSE,  STEFANIE (Germany)
A remarkable new species of the digger wasp genus Zanysson Rohwer 1921 from Colombia (Hymenoptera: Apoidea, Crabronidae)
Zootaxa 1442: 43-54 (5 Apr. 2007) 
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OHL, MICHAEL  (Germany)
A colorful new species of the digger wasp genus Pseudoplisus Ashmead from the Southwestern United States (Hymenoptera: Apoidea, Crabronidae)
Zootaxa 2009: 27-34 (11 Feb. 2009) 
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OHL, MICHAEL (Germany) -see LOHRMANN, VOLKER & OHL, MICHAEL (Germany)

Zootaxa 2801: 27–47 (25 Mar. 2011) 1 plates; 220 references                      Accepted: 9 Feb. 2011
A cladistic analysis and reclassification of the tribe Bembicini (Hymenoptera: Crabronidae: Bembicinae)
PAVEL G. NEMKOV (Russia) & MICHAEL OHL (Germany)
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OHLER, ANNEMARIE (France) - see DUBOIS, ALAIN & OHLER, ANNEMARIE (France)

OHLER, ANNEMARIE (France) - see TEYNIÉ, ALEXANDRE , DAVID, PATRICK & OHLER, ANNEMARIE (France)

OHLER, ANNEMARIE (France) - see DUBOIS, ALAIN (France), GROSJEAN, STÉPHANE (France), OHLER, ANNEMARIE (France), ADLER, KRAIG (USA) & ZHAO, ERMI (China)

Zootaxa 2912: 28–36 (9 Jun. 2011) 2 plates; 32 references                         Accepted: 3 Mar. 2011
A blue-eyed Leptobrachium (Anura: Megophryidae) from Arunachal Pradesh, India
SANJAY SONDHI (India) & ANNEMARIE OHLER (France)
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OHMOMO, SADAHIRO (Japan) - see BELLAMY, C. L. (USA) & OHMOMO, SADAHIRO (Japan)

Zootaxa 3058: 22–34 (13 Oct. 2011) 2 plates; 12 references                  Accepted: 13 Sep. 2011
One new genus and six new species of Coraebini Bedel, 1921 (Coleoptera: Buprestidae) from the Philippines 
C. L. BELLAMY (USA) & SADAHIRO OHMOMO (Japan)
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OHTSUKA, SUSUMU (Japan) - see MOON, SEONG YONG (Korea), OHTSUKA, SUSUMU (Japan), UEDA, HIROSHI (Japan) & SOH, HO YOUNG (Korea)

OHYAMA, YOSHIKUNI  (Japan) - see KITO, KENJI  & OHYAMA, YOSHIKUNI  (Japan)

QIN, DAO-ZHENG (P.R. China)

Zootaxa 2803: 32–40 (29 Mar. 2011) 4 plates; 15 references                       Accepted: 8 Feb. 2011
The planthopper genus Epora Walker (Hemiptera: Fulgoroidea: Tropiduchidae) from China with description of one new species
QIU-LEI MEN, JI-NIAN FENG & DAO-ZHENG QIN (P.R. China)
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OJANGUREN-AFFILASTRO, A.A. (Argentina), AGUSTO, P. (Chile), PIZARRO-ARAYA, J. (Chile) & MATTONI, C.I. (Argentina)
Two new scorpion species of genus Brachistosternus (Scorpiones: Bothriuridae) from northern Chile
Zootaxa 1623: 55-68 (26 Oct. 2007) 
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OKAJIMA, SHÛJI  (Japan) - see MASUMOTO, MASAMI  & OKAJIMA, SHÛJI  (Japan)

 OKANISHI, MASANORI & FUJITA, TOSHIHIKO  (Japan)
Two new species of the subgenus Asteroporpa (Asteromoana) (Ophiuroidea: Euryalida: Gorgonocephalidae) from Japan
Zootaxa 2751: 25–39 (28 Jan. 2011)
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Zootaxa 2890: 68 (25 May 2011) 
Erratum: OKANISHI, M. & FUJITA, T. (2011) Two new species of the subgenus Asteroporpa (Astromoana) (Ophiuroidea: Euryalida: Gorgonocephalidae) from Japan. Zootaxa, 2751, 25–39.
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OKUNO, J. (Japan) & BRUCE, A. J. (Australia)
Designation of Ancylomenes gen. nov., for the ‘Periclimenes aesopius species group’ (Crustacea: Decapoda: Palaemonidae), with the description of a new species and a checklist of congeneric species
Zootaxa 2372: 85-105 (26 Feb. 2010) 
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Zootaxa 3096: 41–52 (11 Nov. 2011) 4 plates; 43 references                         Accepted: 13 Oct. 2011
Revisiting Pagurus pilosipes (Stimpson, 1858) (Crustacea: Decapoda: Anomura: Paguridae)
TOMOYUKI KOMAI (Japan), CHIEN-HUI YANG (Taiwan), JUNJI OKUNO (Japan) & TIN-YAM CHAN (Taiwan)
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OLÁH, J. (Hungary)  - see JOHANSON, K.A. (Sweden) & OLÁH, J. (Hungary) 

OLÁH, J. (Hungary), JOHANSON, K.A. (Sweden) & BARNARD, P.C. (UK)
Revision of the South Pacific endemic genera Orthopsyche McFarlane 1976, Abacaria Mosely 1941 and Caledopsyche Kimmins 1953 with the description of 29 new species (Trichoptera: Hydropsychidae)
Zootaxa 1356: 1-78 (13 Nov. 2006) 
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OLAH, J. (Hungary), JOHANSON, K.A. (Sweden) & BARNARD, P.C. (UK)
Revision of the Oriental and Afrotropical species of Cheumatopsyche Wallengren (Hydropsychidae, Trichoptera)
Zootaxa 1738: 1-171 (31 Mar. 2008) 
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OLAH, J. (Hungary) & JOHANSON, K.A. (Sweden)
Generic review of Hydropsychinae, with description of Schmidopsyche, new genus, 3 new genus clusters, 8 new species groups, 4 new species clades, 12 new species clusters and 62 new species from the Oriental and Afrotropical regions (Trichoptera: Hydropsychidae)
Zootaxa 1802: 1-248 (16 Jun. 2008) 
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OLAH, JANOS (Hungary) - see JOHANSON, KJELL ARNE (Sweden) & OLAH, JANOS (Hungary)

OLAH, JANOS (Hungary) - see JOHANSON, KJELL ARNE (Sweden) & OLAH, JANOS (Hungary)

OLÁH, JÁNOS (Hungary) & JOHANSON, KJELL ARNE (Sweden)
Generic review of Polycentropodidae with description of 32 new species and 19 new species records from the Oriental, Australian and Afrotropical Biogeographical Regions
Zootaxa 2435: 1–63 (23 Apr. 2010) 
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OLÁH, JÁNOS (Hungary) & JOHANSON, KJELL ARNE (Sweden)
Description of 33 new species of Calamoceratidae, Molannidae, Odontoceridae and Philorheithridae (Trichoptera), with detailed presentation of their cephalic setal warts and grooves 
Zootaxa 2457: 1–128 (14 May 2010)
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OLÁH, JÁNOS (Hungary) - see JOHANSON, KJELL ARNE (Sweden) & OLÁH, JÁNOS (Hungary)

OLÁH, JÁNOS (Hungary) & JOHANSON, KJELL ARNE (Sweden)
Fifteen new Trichoptera (Insecta) species from Sumatra, Indonesia
Zootaxa 2618: 1–35 (20 Sep. 2010)
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OLÁH, JÁNOS (Hungary) & JOHANSON, KJELL ARNE (Sweden)
Contributions to the systematics of the genera Dipseudopsis, Hyalopsyche and Pseudoneureclipsis (Trichoptera: Dipseudopsidae), with descriptions of 19 new species from the Oriental Region
Zootaxa 2658: 1–37 (27 Oct. 2010) 
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OLAYEMI, AYODEJII (Nigeria) - see NICOLAS, VIOLAINE (France), OLAYEMI, AYODEJII (Nigeria), WENDELEN, WIM (Belgium) & COLYN, MARC (France)

ENRIQUE GONZÁLEZ OLAZO (Argentina)

Zootaxa 3130: 1–29 (14 Dec 2011) 21 plates; 32 references                      Accepted: 28 Oct. 2011
A taxonomically significant polymorphism in Leucochrysa (Neuroptera: Chrysopidae): Nomenclature, larval and adult descriptions, and biological notes
CATHERINE A. TAUBER (USA), EUZILENI MANTOANELLI (Brazil),
GILBERTO S. ALBUQUERQUE(Brazil), CARMEN REGUILÓN (Argentina),
ENRIQUE GONZÁLEZ OLAZO (Argentina), AND MAURICE J. TAUBER (USA)
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OLDFIELD, R.G.  - see CHAKRABARTY, P.,  OLDFIELD, R.G. & NG, H.H. (USA)

OLESEN, J. (Denmark) & TIMMS, B. (Australia)
Caenestheriella mariae sp. nov. (Crustacea: Branchiopoda: Spinicaudata: Cyzicidae): a new clam shrimp from Western Australia
Zootaxa 824: 1-8 (20 Jan. 2005) 
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OLESEN, JØRGEN (Denmark) - see KNUDSEN, STEEN WILHELM., KIRKEGAARD, MAJA & OLESEN, JØRGEN (Denmark)

OLGUN, K., AVCI, A., ILGAZ, C., UZUM,  N. & YILMAZ, C.  (Turkey)
A new species of Rhynchocalamus (Reptilia: Serpentes: Colubridae) from Turkey
Zootaxa 1399: 57-68 (29 Jan. 2007)  
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OLIFIERS, M.H. , DORVILLÉ, L.F.M. & NESSIMIAN, J.L. & HAMADA, N. (Brazil)
A key to Brazilian genera of Plecoptera (Insecta) based on nymphs
Zootaxa 651: 1-15 (22 September 2004) 
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OLIVEIRA, A.R.  (Brazil) - see DE MORAES, G.J.  (Brazil), ZANNOU, I.D.  (Brazil), UECKERMANN, E.A.  (South Africa), OLIVEIRA, A.R.  (Brazil), HANNA, R.  (Benin) & YANINEK, J.S.  (USA)

OLIVEIRA, A. R.  (Brazil)  - see MORAES , G. J. DE (Brazil), OLIVEIRA, A. R.  (Brazil) & ZANNOU, I. D. (Benin)

OLIVEIRA, A. R.  (Brazil)  - see MORAES,  G.J. DE (Brazil), ZANNOU, I.D. (Brazil), OLIVEIRA, A.R. (Brazil), YANINEK, J.S. (USA) & HANNA, R. (Benin)

OLIVEIRA, A.R. (Brazil)  - see MORAES , G.J. DE (Brazil), UECKERMANN, E.A. (S. Africa), OLIVEIRA, A.R. (Brazil) & YANINEK, J.S. (USA)

OLIVEIRA, A. R. (Brazil), NORTON, R. A. (USA) & MORAES, G. J. DE (Brazil)
Edaphic and plant inhabiting oribatid mites (Acari: Oribatida) from Cerrado and Mata Atlantica ecosystems in the State of São Paulo, southeast Brazil
Zootaxa 1049: 49-68 (13 Sept. 2005) 
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OLIVEIRA, A.R. (Brazil)  - see ZANNOU, I. D. (Brazil), DE MORAES, G.J.  (Brazil), UECKERMANN, E.A. (South Africa), OLIVEIRA, A.R. (Brazil), YANINEK, J.S. (USA) & HANNA, R. (West Africa)

OLIVEIRA, A.R. (Brazil)  - see DE MORAES, G.J. (Brazil), ZANNOU, I.D. (Brazil), UECKERMANN, E.A. (South Africa), OLIVEIRA, A.R. (Brazil), YANINEK, J.S. (USA) & HANNA, R. (West Africa)

OLIVEIRA, A.R. (Brazil)  - see UECKERMANN, E.A. (South Africa), ZANNOU, I.D. (Brazil), DE MORAES, G.J. (Brazil), OLIVEIRA, A.R. (Brazil), HANNA, R. (West Africa) & YANINEK, J.S. (USA)

OLIVEIRA, A.R. (Brazil)  - see MORAES, GILBERTO J. DE (Brazil), IGNACE D. ZANNOU (Brazil), EDDIE A. UECKERMANN (S. Africa), ANIBAL R. OLIVEIRA (Brazil), RACHID HANNA (Benin) & JOHN S. YANINEK (USA)

OLIVEIRA, ANIBAL R. (Brazil) - see UECKERMANN, EDWARD A. (S. Africa), ZANNOU, IGNACE D. (Brazil), MORAES, GILBERTO J. DE (Brazil), OLIVEIRA, ANIBAL R. (Brazil), HANNA, RACHID (Benin) & YANINEK, JOHN S. (USA)

OLIVEIRA, A.R. (Brazil)  - see DEMITE, PETERSON R. , FERES, REINALDO J.F.  , LOFEGO, ANTONIO C.  & OLIVEIRA, ANIBAL R. (Brasil)

OLIVEIRA, CAROLINE S. N., FONSECA-GESSNER, ALAIDE A. & SILVA, MARIO ANTONIO NAVARRO (Brasil)
The immature stages of Ablabesmyia (Sartaia) metica Roback, 1983 (Diptera: Chironomidae) with keys to subgenera
Zootaxa 1808: 61-68 (23 Jun. 2008) 
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OLIVEIRA, CAROLINE SILVA NEUBERN DE (Brazil)

OLIVEIRA, CAROLINE SILVA NEUBERN DE (Brazil), MENDES, HUMBERTO FONSECA (Norway) & SILVA, MÁRIO ANTÔNIO NAVARRO DA (Brazil)
A new species of the genus Monopelopia from South Brazil, with keys to the Neotropical–Nearctic species (Diptera: Chironomidae: Tanypodinae)
Zootaxa 2420: 53–62 (7 Apr. 2010) 
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Zootaxa 2786: 27–41 (9 Mar. 2011) 6 plates; 32 references                          Accepted: 24 Jan. 2011
Two new species of Larsia Fittkau, 1962 (Diptera: Chironomidae: Tanypodinae) from Neotropical Region, with a checklist of Larsia species of the world
CAROLINE SILVA NEUBERN DE OLIVEIRA & FABIO LAURINDO DA SILVA (Brazil)
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OLIVEIRA, CLÁUDIO DE (Brazil)  - see MENEZES, NAÉRCIO A. (Brazil) , OLIVEIRA, CLÁUDIO DE (Brazil) & NIRCHIO, MAURO (Venezuela)

OLIVEIRA, CLÉO DILNEI DE CASTRO & RICARDO SILVA ABSALÃO (Brazil)
The genera Limatula and Limea (Mollusca, Pelecypoda, Limidae) from deep waters off Brazil
Zootaxa 1940: 48-58 (24 Nov. 2008) 
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OLIVEIRA, D. C. S. G. , O'GRADY, P. M. , ETGES, W. J. , HEED, W. B. & DeSALLE, R. (USA)
Molecular systematics and geographical distribution of the Drosophila longicornis species complex (Diptera: Drosophilidae)
Zootaxa 1069: 1-32 (25 Oct. 2005) 
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OLIVEIRA, D.C.S.G., LEONIDAS, M., ETGES, W.J., O'GRADY, P.M. & DeSALLE, R. (USA)
Species delimitation in the Drosophila aldrichi subcluster (Diptera: Drosophilidae) using DNA sequences 
Zootaxa 1725: 37-47 (12 Mar. 2008) 
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OLIVEIRA, ÉDISON VICENTE (Brazil)

Zootaxa 3041: 51–62 (24 Sep. 2011) 3 plates; 35 references                         Accepted: 01 Sep. 2011
A new hyladelphine marsupial (Didelphimorphia, Didelphidae) from cave deposits of northern Brazil 
ÉDISON VICENTE OLIVEIRA (Brazil), PATRICIA VILLA NOVA (Brazil), FRANCISCO J. GOIN (Argentina) & LEONARDO DOS SANTOS AVILLA (Brazil)
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OLIVEIRA, ELISIANA P.  (Brazil) - see ABRANTES, EDUARDO A. , BELLINI, BRUNO C. , BERNARDO, ALESSANDRA N. , FERNANDES, LILIANE H. , MENDONÇA, MARIA C. , OLIVEIRA, ELISIANA P. , QUEIROZ, GABRIEL C. , SAUTTER, KLAUS D. , SILVEIRA , TATIANA C. & ZEPPELINI, DOUGLAS (Brazil)

OLIVEIRA, EDIVAR HEEREN DE  (Brazil) - see LOPES, SONIA MARIA., OLIVEIRA, EDIVAR HEEREN DE & KHOURI, ANDRÉA (Brazil)

OLIVEIRA, GUSTAVO RIBEIRO DE & KELLNER, ALEXANDER WILHELM ARMIN (Brazil)
A new side-necked turtle (Pleurodira, Pelomedusoides) from the Santana Formation (Early Cretaceous), Araripe Basin, Northeastern Brazil
Zootaxa 1425: 53-61 (15 Mar. 2007) 
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OLIVEIRA, GUSTAVO R.  (Brazil) - see KELLNER, ALEXANDER W. A., PINHEIRO, ANDRÉ E. P., AZEVEDO, SERGIO A. K., HENRIQUES, DEISE D. R., CARVALHO, LUCIANA BARBOSA DE  & OLIVEIRA, GUSTAVO R.  (Brazil)

OLIVEIRA, HELIANA ROSELY NEVES (Brazil) - see SILVA, FABIO LAURINDO DA., STRIXINO, SUSANA TRIVINHO & OLIVEIRA, HELIANA ROSELY NEVES (Brazil)

OLIVEIRA, IVO DE SENA (Brazil), WIELOCH, ALFREDO HANNEMANN (Brazil) & MAYER, GEORG (Germany)
Revised taxonomy and redescription of two species of the Peripatidae (Onychophora) from Brazil: a step towards consistent terminology of morphological characters
Zootaxa 2493: 16–34 (3 Jun. 2010) 
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OLIVEIRA, IVO DE SENA  (Germany) - see LACORTE, GUSTAVO AUGUSTO  (Brazil), OLIVEIRA, IVO DE SENA  (Germany) & FONSECA, CLEUSA GRAÇA DA  (Brazil)

OLIVEIRA, J.A. DE  - see VILELA, J.F. , OLIVEIRA, J.A. DE & BONVICINO, C.R. (Brazil) 

OLIVEIRA, JOÃO A. DE (Brazil) - see BONVICINO, CIBELE R. , OLIVEIRA, JOÃO A. DE & GENTILE, ROSANA (Brazil)

OLIVEIRA, JOÃO ALVES DE (Brazil) - see VILELA, JÚLIO FERNANDO. , RUSSO, CLAUDIA AUGUSTA DE MORAES & OLIVEIRA, JOÃO ALVES DE (Brazil)

OLIVEIRA, O.M.P. (Brazil) - see MARQUES, A.C. & OLIVEIRA, O.M.P. (Brazil)

OLIVEIRA, O.M.P. & MIGOTTO, A.E. (Brazil)
Pelagic ctenophores from the São Sebastião Channel, southeastern Brazil
Zootaxa 1183: 1-26 (24 Apr. 2006) 
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OLIVEIRA, L.A. (Brazil) - see MAIA, V. C., SILVEIRA, F. A. O., OLIVEIRA, L. A. & XAVIER, M. F. (Brazil)

OLIVEIRA, L.E. (Brazil) - see GIARETTA, A.A., TOFFOLI, D. & OLIVEIRA, L.E. (Brazil)

OLIVEIRA, M.E. (Brazil) - see ZAHER, H., OLIVEIRA, M.E. & FRANCO, F.L. (Brazil)

OLIVEIRA, MAGDA S.  (Brazil) - see LUQUE, JOSÉ L. , MUNIZ-PEREIRA, LUÍS C. , SICILIANO, SALVATORE , SIQUEIRA, LIEGE R. , OLIVEIRA, MAGDA S. & VIEIRA, FABIANO M. (Brazil)

OLIVEIRA, M.V. & HAJDU, E. (Brazil)
Taxonomy of Rhabderemia Topsent, 1890 collected from the south-eastern Brazilian continental shelf and slope by Programme REVIZEE (Rhabderemiidae, Poecilosclerida, Demospongiae), with the description of two new species
Zootaxa 844: 1-12 (1 Feb. 2005) 
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OLIVEIRA, RENILDO RIBEIRO DE. , ZUANON, JANSEN. , PY-DANIEL, LUCIA RAPP  & ROCHA, MARCELO SALLES (Brazil)
Peckoltia compta, a new species of catfish from the Brazilian Amazon, rio Tapajós basin (Siluriformes: Loricariidae)
Zootaxa 2534 48–56 (13 Jul. 2010)
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OLIVEIRA, SARAH SIQUEIRA (Brazil) - see AMORIM, DALTON DE SOUZA., OLIVEIRA, SARAH SIQUEIRA & BALBI, MARIA ISABEL P.A. (Brazil)

OLIVEIRA, SARAH SIQUEIRA (Brazil) - see AMORIM, DALTON DE SOUZA & OLIVEIRA, SARAH SIQUEIRA (Brazil)

OLIVEIRA, SARAH SIQUEIRA - see Amorim, Dalton de Souza , SARAH SIQUEIRA OLIVEIRA & MARIA ISABEL P.A. BALBI (Brazil)

OLIVEIRA, SARAH SIQUEIRA & AMORIM, DALTON DE SOUZA (Brazil)
The genus Phthinia Winnertz (Diptera, Mycetophilidae) in the Neotropical region, with the first records from Brazil
Zootaxa 2350: 22–34 (3 Feb. 2010) 
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OLIVEIRA, SARAH SIQUEIRA & AMORIM, DALTON DE SOUZA (Brazil)
Four new species of Paratrizygia Tonnoir from the Brazilian Atlantic Forest (Diptera, Mycetophilidae, Sciophilinae)
Zootaxa 2629: 29–46 (29 Sep. 2010)
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Zootaxa 2892: 47–52 (26 May 2011) 3 plates; 15 references                       Accepted: 21 Apr. 2011
The identity of Paratrizygia conformis Tonnoir (Diptera, Mycetophilidae), with comments on its systematic position
DALTON DE SOUZA AMORIM (Brazil), SARAH SIQUEIRA OLIVEIRA (Brazil) & ERICA MCALISTER (UK)
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OLIVEIRA, TÉO VEIGA DE. , SOARES, MARINA BENTO & SCHULTZ, CESAR LEANDRO (Brazil)
Trucidocynodon riograndensis gen. nov. et sp. nov. (Eucynodontia), a new cynodont from the Brazilian Upper Triassic (Santa Maria Formation)
Zootaxa 2382: 1–71 (26 Feb. 2010) 
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Zootaxa 3027: 19–28 (15 Sep. 2011) 3 plates; 14 references                         Accepted: 12 Aug. 2011
A new carnivorous cynodont (Synapsida, Therapsida) from the Brazilian Mid-dle Triassic (Santa Maria Formation): Candelariodon barberenai gen. et sp. nov. 
TÉO VEIGA DE OLIVEIRA, CESAR LEANDRO SCHULTZ, MARINA BENTO SOARES & CARLOS NUNES RODRIGUES (Brazil)
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OLIVER, HUGH (USA) - see BROWN, BRIAN V. & HUGH OLIVER (USA)

OLIVER, P. (Australia) - see RICHARDS, S.J. (Australia), OLIVER, P. (Australia), DAHL, C. (Papua New Guinea) & TJATURADI, B. (Indonesia) 

OLIVER, P. (Australia), RICHARDS, S.J. (Australia), TJATURADI, B. (Indonesia) & ISKANDAR, D. (Indonesia)
A new large green species of Litoria (Anura: Hylidae) from western New Guinea
Zootaxa 1519: 17-26 (2 Jul. 2007) 
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OLIVER, PAUL (Australia), TJATURADI, BURHAN (Indonesia), MUMPUNI (Indonesia), KREY, KELIOPAS (Indonesia) & RICHARDS, STEPHEN (Australia)
A new species of large Cyrtodactylus (Squamata: Gekkonidae) from Melanesia
Zootaxa 1894: 59-68 (8 Oct. 2008) 
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OLIVER, PAUL  (Australia), EDGAR, PAUL  (UK), MUMPUNI (Indonesia), ISKANDAR, DJOKO T.  (Indonesia) & LILLEY, RON  (Indonesia)
A new species of bent-toed gecko (Cyrtodactylus: Gekkonidae) from Seram Island, Indonesia
Zootaxa 2115: 47-55 (22 May 2009) 
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OLIVER, PAUL (Australia), SISTROM, MARK (Australia), TJATURADI, BURHAN (Indonesia), KREY, KELIOPAS (Indonesia) & RICHARDS, STEPHEN (Australia)
On the status and relationships of the gecko species Gehyra barea Kopstein 1926, with description of new specimens and a range extension
Zootaxa 2354: 45–55 (9 Feb. 2010) 
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Zootaxa 2930: 22–32 (27 Jun. 2011) 5 plates; 23 references                         Accepted: 21 Apr. 2011
A new species of bent-toed gecko (Cyrtodactylus, Gekkonidae) from the North Papuan Mountains
PAUL OLIVER (Australia), KELIOPAS KREY (Indonesia), MUMPUNI (Indonesia) & STEPHEN RICHARDS (Australia)
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OLIVER, P.M. (Australia) - see RICHARDS, S.J. & OLIVER, P.M. (Australia)

OLIVER, PAUL M. (Australia) - see HUTCHINSON, MARK N., DOUGHTY , PAUL & OLIVER, PAUL M. (Australia)

OLIVER, PAUL M. (Australia) - see RICHARDS, STEPHEN J. (Australia), OLIVER, PAUL M. (Australia), KREY, KELIOPAS (Indonesia) & TJATURADI, BURHAN (Indonesia)

OLIVER, PAUL M. , COUPER, PATRICK & AMEY, ANDREW (Australia)
A new species of Pygopus (Pygopodidae; Gekkota; Squamata) from north-eastern Queensland
Zootaxa 2578: 47–61 (27 Aug. 2010) 
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Zootaxa 3002: 20–30 (31 Aug. 2011) 6 plates; 31 references                         Accepted: 12 May 2011
A new species of Underwoodisaurus (Squamata: Gekkota: Carphodactylidae) from the Pilbara region of Western Australia 
PAUL DOUGHTY & PAUL M. OLIVER (Australia)
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OLIVER, P.G. (UK)  & SELLANES, J. (Chile)
New species of Thyasiridae from a methane seepage area off Concepcion, Chile
Zootaxa 1092: 1-20 (8 Dec. 2005) 
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OLIVER, P.G. (UK) - see RODRIGUES, C.F. (Portugal), OLIVER, P.G. (UK) & CUNHA, M.R. (Portugal)

OLIVIER, PIETER A.S.  (South Africa)
A replacement name for Dendrodus Olivier, 2008, and validation of Dendrochaetidae Olivier, 2008 nomen nudum (Acari: Prostigmata)
Zootaxa 2293: 68 (19 Nov. 2009)
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OLMI, MASSIMO (Italy)

OLMI, M. (Italy )
Embolemus kheeli: a new species of Embolemidae (Hymenoptera: Chrysidoidea) from the Dominican Republic
Zootaxa 500: 1-6 (30 April 2004) 
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OLMI, M. (Italy) & VIRLA, E. (Argentina)
Description of two new species of Dryinidae (Hymenoptera: Chrysidoidea) from Argentina
Zootaxa 709: 1-7 (1 November 2004) 4 plates; 6 references                          Accepted: 19 Oct. 2004
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OLMI, M. (Italy) - see GUGLIELMINO, A. & OLMI, M. (Italy)

OLMI, M. (Italy) - see XU, Z.F. , OLMI, M. & HE, J.H. (P.R. China)

OLMI, MASSIMO (Italy), RASNITSYN, ALEXANDER P. (UK) & GUGLIELMINO, ADALGISA  (Italy)
Revision of rock fossils of Dryinidae and Embolemidae (Hymenoptera: Chrysidoidea)
Zootaxa 2499: 21–38 (9 Jun. 2010) 
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OLMI, MASSIMO & GUGLIELMINO, ADALGISA (Italy)
Description of Erwiniinae, new subfamily of Dryinidae from Ecuador (Hymenoptera: Chrysidoidea)
Zootaxa 2605: 56–62 (8 Sep. 2010) 
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OLMI, MASSIMO & GUGLIELMINO, ADALGISA (Italy)
Revision of Nearctic species of Lonchodryinus Kieffer 1905, with description of a new species from New Mexico (Hymenoptera: Dryinidae)
Zootaxa 2654: 30–40 (22 Oct. 2010) 
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Zootaxa 2790: 1–22 (14 Mar. 2011) 8 plates; 25 references                            Accepted: 3 Feb. 2011
Revision of the Oriental species of the genus Neodryinus Perkins 1905 (Hymenoptera: Dryinidae: Gonatopodinae), with description of a new species from China
ZAIFU XU (P.R. China), MASSIMO OLMI (Italy) & JUNHUA HE (P.R. China)
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Zootaxa 2981: 43–55 (01 Aug. 2011) 6 plates; 21 references                  Accepted: 25 Jun. 2011
Revision of fossil species of Dryinus belonging to constans group, with descrip-tion of a new species (Hymenoptera: Dryinidae) 
MASSIMO OLMI, ADALGISA GUGLIELMINO & MASSIMO VOLLARO (Italy)
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O’LOUGHLIN, P. MARK  (Australia), MANJÓN-CABEZA, M. EUGENIA  (Spain) & RUIZ, FRANCINA MOYA  (Spain)
Antarctic holothuroids from the Bellingshausen Sea, with descriptions of new species (Echinodermata: Holothuroidea)
Zootaxa 2016: 1-16 (20 Feb. 2009) 
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O’LOUGHLIN, P. MARK  (Australia)
BANZARE holothuroids (Echinodermata: Holothuroidea)
Zootaxa 2196: 1-18 (13 Aug. 2009) 
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O’LOUGHLIN, P. MARK  & WHITFIELD, EMILY (Australia)
New species of Psolus Oken from Antarctica (Echinodermata: Holothuroidea: Psolidae)
Zootaxa 2528 61–68 (6 Jul. 2010) 
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OLSCHWANG, VLADIMIR (Russia) - see JUNNILAINEN, JARI (Finland), KARSHOLT, OLE (Denmark), NUPPONEN, KARI (Finland), KAITILA, JARI-PEKKA (Finland), NUPPONEN, TIMO (Finland) & OLSCHWANG, VLADIMIR (Russia)

OLSON, D. (Fiji) - see YANEGA, D. (USA), OLSON, D. (Fiji), SHUTE, S. (UK) & KOMIYA, Z. (Japan)

OLSON, S. L. (USA) & MATSUOKA, H. (Japan)
New specimens of the early Eocene frigatebird Limnofregata (Pelecaniformes: Fregatidae), with the description of a new species
Zootaxa 1046: 1-15 (8 Sept. 2005) 
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OLSON, STORRS L. (USA) - see IWANIUK, ANDREW N. (Canada), OLSON, STORRS L. (USA) & JAMES, HELEN F. (USA)

OLSSON, ANNETTE (Cambodia) - see JENKINS, PAULINA D. (UK), ABRAMOV, ALEXEI V. (Russia), ROZHNOV, VIATCHESLAV V. (Russia) & OLSSON, ANNETTE (Cambodia)

OLSZANOWSKI, Z.  (Poland) & NORTON, R.A. (USA)
Paracamisia osornensis gen. n., sp. n. (Acari: Oribatida) from Valdivian forest soil in Chile
Zootaxa 25: 1-15 (11 March 2002) 
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OLSZANOWSKI, Z. (Poland) - see SZYWILEWSKA-SZCZYKUTOWICZ, A. & OLSZANOWSKI, Z. (Poland)

O’MALLEY, ROBERT C.  (USA) - see SCHEFFRAHN, RUDOLF H. & O’MALLEY, ROBERT C.  (USA)

OMAR, Y.M. (P.R. China), HAN, K.D. (R. Korea) & ZHANG, R.Z. (P.R. China) 
Description of a new species, Tarchius yunnanensis (Coleoptera: Curculionidae: Cossoninae), from China
Zootaxa 1270: 35-43 (24 Jul. 2006) 
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OMAR, Y.M. (P.R.China), ZHANG, R. (P.R.China) & Davis, S.R. (USA)
Descriptions of two new species of Pseudocossonus Wollaston (Coleoptera: Curculionidae: Cossoninae) from mainland China with a key to the world species
Zootaxa 1375: 59-68 (7 Dec. 2006) 
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OMAR, YOUSSEF M. (Egypt), ZHANG, RUNZHI (P.R. China) & DAVIS, STEVEN R. (USA)
Description of a new species of Pentarthrum Wollaston (Coleoptera: Curculionidae: Cossoninae) from China with an annotated checklist to species of the World
Zootaxa 2629: 47–60 (29 Sep. 2010) 
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MIKHAIL M. OMELKO (Russia)

OMELKO, MIKHAIL M.  (Russia) - see MARUSIK, YURI M.  & OMELKO, MIKHAIL M.  (Russia)

Zootaxa 3132: 64–67 (15 Dec. 2011) 2 plates; 11 references                    Accepted: 09 Nov. 2011
First description of the female of Emblyna zherikhini (Marusik 1988) comb. n. (Araneae: Dictynidae)
MIKHAIL M. OMELKO (Russia)
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JOHN P. O’NEILL (USA)

Zootaxa 3002: 52–58 (24 Aug. 2011) 3 plates; 25 references                         Accepted: 15 Jul. 2011
A distinctive new subspecies of the Royal Sunangel (Aves: Trochiliformes; Heliangelus regalis) from the Cordillera Azul, northern Peru 
GARY R. GRAVES, DANIEL F. LANE, JOHN P. O’NEILL & THOMAS VALQUI (USA)
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ONO, H. (Japan)
Two new species of spiders of the family Zodariidae (Araneae) from eastern Nepal
Zootaxa 1325: 319-326 (28 Sept. 2006) 
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ONN, CHAN KIN  (Malaysia) - see GRISMER, L. LEE  (USA), AHMAD, NORHAYATI  (Malaysia), ONN, CHAN KIN  (Malaysia), BELABUT, DAICUS (Malaysia), MUIN, M. A. (Malaysia), WOOD, PERRY L. , JR (USA), & GRISMER, JESSE L. (USA)

ONN, CHAN KIN (Malaysia), GRISMER , L. LEE (USA), AHMAD, NORHAYATI (Malaysia) & BELABUT, DAICUS (Malaysia)
A new species of Gastrophrynoides (Anura: Microhylidae): an addition to a previously monotypic genus and a new genus for Peninsular Malaysia
Zootaxa 2124: 
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ONN, CHAN KIN  (Malaysia)- see GRISMER, L. LEE  (USA) & ONN, CHAN KIN  (Malaysia)

ONN, CHAN KIN  (Malaysia)- see GRISMER, L. LEE (USA), AHMAD, NORHAYATI (Malaysia) & ONN, CHAN KIN (Malaysia)

ONN, CHAN KIN & AHMAD, NORHAYATI (Malaysia)
A new insular species of Cyrtodactylus (Squamata: Gekkonidae) from northeastern Peninsular Malaysia, Malaysia
Zootaxa 2389: 47–56 (5 Mar. 2010) 
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ONN, CHAN KIN (Malaysia) & GRISMER, L. LEE (USA)
Re-assessment of the Reinwardt’s Gliding Frog, Rhacophorus reinwardtii (Schlegel 1840) (Anura: Rhacophoridae) in Southern Thailand and Peninsular Malaysia and its re-description as a new species
Zootaxa 2505: 40–50 (14 Jun. 2010) 
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ONN, CHAN KIN (Malaysia) - see TRI, NGO VAN (Vietnam) & ONN, CHAN KIN (Malaysia)

ONN, CHAN KIN (Malaysia) - see GRISMER, L. LEE (USA), ONN, CHAN KIN (Malaysia), QUAH, EVAN (Malaysia), ABDUL MUIN, MOHD (Malaysia), SAVAGE, ANNA E. (USA), GRISMER, JESSE L. (USA), AHMAD, NORHAYATI (Malaysia), GREER III, LEE F. (USA) & REMEGIO, ANA-CAROLINE (USA)

ONN, CHAN KIN (Malaysia), GRISMER, L. LEE (USA), ANUAR, SHAHRUL (Malaysia), QUAH, EVAN (Malaysia), MUIN, MOHD ABDUL (Malaysia), SAVAGE, ANNA E. (USA), GRISMER, JESSE L. (USA), AHMAD, NORHAYATI (Malaysia), REMIGIO, ANA-CAROLINE (USA) & GREER, LEE F. (USA)
A new endemic rock Gecko Cnemaspis Strauch 1887 (Squamata: Gekkonidae) from Gunung Jerai, Kedah, northwestern Peninsular Malaysia
Zootaxa 2576: 59–68 (25 Aug. 2010) 
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ONN, CHAN KIN (Malaysia) - see GRISMER, L. LEE (USA), ANUAR, SHAHRUL (Malaysia), QUAH, EVAN (Malaysia), MUIN, MOHD ABDUL (Malaysia), ONN, CHAN KIN (Malaysia), GRISMER, JESSE L. (USA) & AHMAD, NORHAYATI (Malaysia)

CHAN KIN ONN(USA)

Zootaxa 3123: 60–68 (08 Dec. 2011) 4 plates; 24 references                          Accepted: 26 Oct. 2011
A new insular, endemic frog of the genus Kalophrynus Tschudi, 1838 (Anura: Microhylidae) from Tioman Island, Pahang, Peninsular Malaysia
CHAN KIN ONN & L. LEE GRISMER & JESSE GRISMER (USA)
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Zootaxa 3125: 51–63 (09 Dec. 2011) 5 plates; 65 references                        Accepted: 02 Nov. 2011
A new karstic cave-dwelling Cyrtodactylus Gray (Squamata: Gekkonidae) from Northern Vietnam
NGO VAN TRI (Vietnam) & CHAN KIN ONN (USA)
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ONO, H. (Japan) - see CHAMI-KRANON, T. (Thailand) & ONO, H. (Japan)

ONO, HIROTSUGU (Japan)  - see TU, LIHONG ({.R. China), ONO, HIROTSUGU (Japan) & LI,  SHUQIANG (P.R. China)

ONOFRIO, VALERIA C., LABRUNA, MARCELO B., FACCINI, JOÃO LUIZ H. & BARROS-BATTESTI, DARCI M. (Brazil)
Description of immature stages and redescription of adults of Ixodes luciae Sénevet (Acari: Ixodidae)
Zootaxa 2495: 53–64 (4 Jun. 2010) 
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OOSTERBROEK, PJOTR (Netherlands) - see STARu, JAROSLAV (Czech Republic) & OOSTERBROEK, PJOTR (Netherlands)

Zootaxa 3024: 1–66 (13 Sep. 2011) 17 plates; 119 references               Accepted: 13 Sep. 2011
Specific limits and emerging diversity patterns in East African populations of laminate-toothed rats, genus Otomys (Muridae: Murinae: Otomyini): Revision of the Otomys typus complex 
PETER J. TAYLOR, LEONID A. LAVRENCHENKO, MICHAEL D. CARLETON, ERIK VERHEYEN, NIGEL C. BENNETT, CAREL J. OOSTHUIZEN & SARITA MAREE
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OPLER, P.A. (USA) - see FERGUSON, D.C. & OPLER, P.A. (USA)

OPLER, PAUL A. (USA) - see SCHMIDT,  B. CHRISTIAN (Canada) & OPLER, PAUL A. (USA)

OPLER, PAUL A. (USA)
Designation of Lectotype and synonymy for Euchloe lotta Beutenmuller (Lepidoptera: Pieridae)
Zootaxa 1767: 67-68 (12 May 2008) 
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OPELL, B.D. , BERGER, A.M., BOUS, S.M. & MANNING, M.L. (USA)
Genetic relationships of Amaurobioides (Anyphaenidae) spiders from the southeastern coast of New Zealand
Zootaxa 1425: 1-10 (15 Mar. 2007) 
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OPITZ, W. (USA)
Classification, natural history, and evolution of Epiphloeinae (Coleoptera: Cleridae). Part VII. The genera Hapsidopteris Opitz, Iontoclerus Opitz, Katamyurus Opitz, Megatrachys Opitz, Opitzia Nemesio, Pennasolis Opitz, new genus, Pericales Opitz, new genus, Pteroferus Opitz, new genus, and Turbophloeus Opitz, new genus
Zootaxa 1754: 1-40 (21 Apr. 2008) 
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OPRESKO, D.M. (USA)

OPRESKO,  D.M. (USA)
A new species of antipatharian coral (Cnidaria: Anthozoa: Antipatharia) from the southern California Bight
Zootaxa 852: 1-10 (8 Feb. 2005) 
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OPRESKO, D.M. (USA) - see PÉREZ, C.D. (Brazil) , COSTA, D.L. (Brazil) & OPRESKO, D.M. (USA) 

OPRESKO, D.M. (USA) - see DALY, M., BRUGLER, M. R., CARTWRIGHT, P., COLLINS, A. G., DAWSON, M. N., FRANCE, S. C., MCFADDEN, C. S., OPRESKO, D. M., RODRIGUEZ, E., ROMANO, S., STAKE, J. (USA)

OPRESKO, D.M. (USA) & LOIOLA, L.deL. (Brazil)
Two New Species of Chrysopathes (Cnidaria: Anthozoa: Antipatharia) from the Western Atlantic
Zootaxa 1707: 49-59 (20 Feb. 2008) 
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Zootaxa 2782: 67–68 (3 Mar. 2011) 0 plates; 10 references                           Accepted: 14 Feb. 2011
Nomenclatural note: Heteropathes (Cnidaria: Anthozoa: Antipatharia: Cladopathidae): A new name for Heliopathes Opresko, 2003
D. M. OPRESKO (USA)
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O’QUIN, KELLY E.  (USA) - see DERRYBERRY, ELIZABETH (USA), CLARAMUNT, SANTIAGO (USA), O’QUIN, KELLY E.  (USA), ALEIXO, ALEXANDRE (Brazil), CHESSER, R. TERRY (USA), REMSEN, J. V. JR.(USA) & BRUMFIELD, ROBB T. (USA)

ORCI, KIRILL MÁRK., SZÖVÉNYI, GERGELY & NAGY, BARNABÁS (Hungary)
Isophya sicula sp. n. (Orthoptera: Tettigonioidea), a new, morphologically cryptic bush-cricket species from the Eastern Carpathians (Romania) recognized from its peculiar male calling song
Zootaxa 2627: 57–68 (27 Sep. 2010) 
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ORELLANA, ANDRÉS (Venezuela) - see VILORIA, ANGEL L. (Venezuela), PYRCZ, TOMASZ W. (Poland) & ORELLANA, ANDRÉS (Venezuela)

ORGAN, E.L. (USA)  - see TAYLOR, C.A. , SOUCEK, D.J. & ORGAN, E.L. (USA) 

 ORLOV, A.M. (Russia) - see BYRKJEDAL, I. (Norway) & ORLOV, A.M. (Russia)

ORLOV, N.L. (Russia) - see DAVID, P. (France), BAIN, R.H. (USA), TRUONG, N.Q. (Vietnam), ORLOV, N.L. (Russia), VOGEL, G. (Germany), THANH, V.N. (Vietnam) & ZIEGLER, T. (Germany)

ORLOV, NIKOLAI L.  (Russia) - see GEISSLER, PETER  (Germany), NAZAROV, ROMAN  (Russia), ORLOV, NIKOLAI L.  (Russia), BÖHME, WOLFGANG  (Germany), PHUNG, TRUNG MY  (Vietnam), NGUYEN, TRUONG QUANG (Vietnam) & ZIEGLER, THOMAS  (Germany)

ORLOV, NIKOLAI L. (Russia) - see MATSUI, MASAFUMI (Japan), KURAISHI, NORIHIRO (Japan), JIANG, JIAN-PING (P.R. China), OTA, HIDETOSHI (Japan), HAMIDY, AMIR (Japan), ORLOV, NIKOLAI L. (Russia) & NISHIKAWA, KANTO (Japan)

ORLOV, NIKOLAI (Russia) - see ZIEGLER, THOMAS (Germany), NAZAROV, ROMAN (Russia), ORLOV, NIKOLAI (Russia), NGUYEN, TRUONG QUANG (Vietnam), VU, THANH NGOC (Vietnam), DANG, KIEN NGOC (Vietnam), DINH, TRI HUY (Vietnam), SCHMITZ, ANDREAS (Switzerland)

ORLOV, NIKOLAI L. (Russia) - see NGUYEN, TRUONG QUANG (Vietnam), NGUYEN, TAO THIEN (Vietnam), SCHMITZ, ANDREAS (Switzerland), ORLOV, NIKOLAI L. (Russia) & ZIEGLER, THOMAS (Germany)

Zootaxa 2936: 59–68 (01 Jul. 2011) 3 plates; 40 references                         Accepted: 20 Jun. 2011
A new species of pitviper of the genus Protobothrops from China (Squamata: Viperidae)
JIAN-HUAN YANG (P.R. China), NIKOLAI L. ORLOV (Russia) & YING-YONG WANG (P.R. China)
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OROMÍ, PEDRO (Spain)

OROMI, P. (Spain) - see BORGES, P.A.V. (Portugal), OROMI, P. (Spain), SERRANO, A.R.M. (Portugal), AMORIM, I.R. (USA) & PEREIRA, F. (Portugal)

OROMÍ, PEDRO (Spain) - see REBOLEIRA, ANA SOFIA P.S. (Portugal), ZARAGOZA, JUAN A. (Spain), GONÇALVES, FERNANDO (Portugal) & OROMÍ, PEDRO (Spain)

OROMÍ, PEDRO (Spain) - see REBOLEIRA, ANA SOFIA P. S. (Portugal), ORTUÑO, VICENTE M. (Spain), GONÇALVES, FERNANDO (Portugal) & OROMÍ, PEDRO (Spain)

OROMÍ, PEDRO  (Spain) - see REBOLEIRA, ANA SOFIA P. S.  (Portugal), SENDRA, ALBERTO  (Spain), GONÇALVES, FERNANDO  (Portugal) & OROMÍ, PEDRO  (Spain)

Zootaxa 2780: 48–56 (1 Mar. 2011) 7 plates; 25 references                           Accepted: 21 Jan. 2011
On the Iberian endemic subgenus Lathromene Koch (Coleoptera: Staphylinidae: Paederinae): description of the first hypogean Domene Fauvel, 1872 from Portugal
A. S. P. S. REBOLEIRA (Portugal), F. GONÇALVES (Portugal) & P. OROMÍ (Spain)
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ORONO, E.S. (Argentina)
Taxonomic review of the Spixia pyriformis species complex (Gastropoda: Pulmonata: Odontostominae)
Zootaxa 1498: 1-25 (4 Jun. 2007) 
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DIANA L. SALCEDO OROPEZA (Mexico)

Zootaxa 2800: 41–52 (25 Mar. 2011) 6 plates; 68 references                      Accepted: 1 Mar. 2011
Two new species of Syllidae (Annelida: Polychaeta) from the Southern Mexican Pacific
DIANA L. SALCEDO OROPEZA (Mexico), GUILLERMO SAN MARTÍN (Spain) & VIVIANNE SOLÍS-WEISS (Mexico)
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OROZCO, J. & PARDO-LOCARNO, L.C.  (Colombia)
Description of immature stages of three species of American Cetoniinae (Coleoptera: Scarabaeidae: Cetoniinae)
Zootaxa 769: 1-14 (14 December 2004)
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OROZCO, JESÚS (USA) - see MORENO, JHON CÉSAR NEITA (Colombia) & OROZCO, JESÚS (USA)

ORPELLA, GERMÁN (Argentina)

Zootaxa 2795: 46–64 (18 Mar. 2011) 5 plates; 37 references                         Accepted: 8 Jan. 2011
Alotanypus vittigera (Edwards) comb. nov.: adult redescription, immature description and a phylogenetic analysis of the genus (Diptera: Chironomidae: Tanypodinae)
AUGUSTO SIRI, MARIANO DONATO, GERMÁN ORPELLA & JULIETA MASSAFERRO (Argentina)
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ORR, J.W. & BUSBY, M.S. (USA)
Revision of the snailfish genus Allocareproctus Pitruk & Fedorov (Teleostei: Liparidae), with descriptions of four new species from the Aleutian Islands
Zootaxa 1173: 1-37 (13 Apr. 2006) 
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ORRICO, V.G.D., MONGIN, M.M. & ORRICO, V.G.D., MONGIN, M.M. & CARVALHO-E-SLIVA, A.M.P.T. DE (Brazil)
The tadpole of Hypsiboas latistriatus (Caramaschi & Cruz, 2004), a species of the Hypsiboas polytaenius (Cope, 1870) clade (Amphibia, Anura, Hylidae)
Zootaxa 1531: 25-37 (23 Jul. 2007) 
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Zootaxa 3035: 59–67 (20 Sep. 2011) 2 plates; 46 references                         Accepted: 11 Aug. 2011
Phylogenetic position of Dendropsophus gaucheri (Lescure and Marty 2000) highlights the need for an in-depth investigation of the phylogenetic relationships of Dendropsophus (Anura: Hylidae) ANTOINE FOUQUET (Brazil), BRICE P. NOONAN (USA), MICHEL BLANC (Guiana) & VICTOR GOYANNES DILL ORRICO (Brazil)
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ORTEGA, RENÉ (Chile) - see GONZÁLEZ-ACUÑA, DANIEL (Chile), CERDA, FABIOLA (Chile), LÓPEZ, JUANA (Chile), ORTEGA, RENÉ (Chile), MATHIEU, CHRISTIAN (Chile) & KINSELLA, MIKE (USA)

ORTEGAANDRADE, H. MAURICIO (Ecuador) - see CISNEROS-HEREDIA, DIEGO F., YÁNEZ-MUÑOZ, MARIO H. & ORTEGAANDRADE, H. MAURICIO (Ecuador)

ORTEGA-BLANCO, J.  (Spain), RASNITSYN, A.P. (Russia) & DELCLÒS, X. (Spain)
First record of anaxyelid woodwasps (Hymenoptera: Anaxyelidae) in Lower Cretaceous Spanish amber
Zootaxa 1937: 39-50 (19 Nov. 2008) 
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ORTEGA-OLIVARES,  MIRZA P. (Mexico)

Zootaxa 3088: 15–26 (02 Nov. 2011) 5 plates; 50 references                         Accepted: 27 Sep. 2011
Helminths of the white ibis, Eudocimus albus (Aves: Therskiornithidae) in Mexico.
MIRZA P. ORTEGA-OLIVARES, DAVID I. HERNÁNDEZ-MENA, GERARDO PÉREZ-PONCE DE LEÓN & MARTÍN GARCÍA-VARELA (Mexico)
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ORTEGO, JOAQUÍN (Spain) - see CORDERO, PEDRO J., LLORENTE, VICENTA., CORDERO, PAU & ORTEGO, JOAQUÍN (Spain)

ORTIZ, ARIADNA MONTSERRAT LÓPEZ.  (Mexico) - see PÉREZ, RAMÓN ANDRÉS LÓPEZ. , PÉREZ-MALDONADO, IMELDA LÓPEZ. , ORTIZ, ARIADNA MONTSERRAT LÓPEZ. , SERVIN, LINDA MARGARITA BARRANCO. , VILLALOBOS, JAVIER BARRIENTOS & MORALES, GERADO ESTEBAN LEYTE (Mexico)

ORTIZ, JUAN C.  (Chile)

Zootaxa 2880: 20–30 (17 May 2011) 4 plates; 44 references                      Accepted: 25 Feb. 2011
Taxonomic identity of the patagonian frog Atelognathus jeinimenensis (Anura: Neobatrachia) as revealed by molecular and morphometric evidence
HELEN DÍAZ-PÁEZ (Chile), MARCELA A. VIDAL (Chile), JUAN C. ORTIZ (Chile), CARMEN A. ÚBEDA (Argentina) & NÉSTOR G. BASSO (Argentina)
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ORTIZ, M. (Cuba)  - see CHÁZARO-OLVERA, S.  (Mexico), WINFIELD, I. (Mexico), ORTIZ, M. (Cuba)  & ÁLVAREZ, F. (Mexico)

ORTIZ, M. (USA) - see MCLAUGHLIN, P.A., LEMAITRE, R. & ORTIZ, M. (USA)

ORTIZ, MANUEL (Cuba), GUERRA-GARCÍA, JOSÉ M. (Spain) & LALANA, ROGELIO (Cuba)
Cubadeutella cavernicola, a new genus and species of Caprellidae (Crustacea: Amphipoda) from Cuba
Zootaxa 2130: 60-68 (11 Jun. 2009) 
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ORTIZ, MANUEL (Cuba) - see WINFIELD, IGNACIO (Mexico) & ORTIZ, MANUEL (Cuba)

Zootaxa 3027: 52–62 (15 Sep. 2011) 3 plates; 14 references                         Accepted: 19 Aug. 2011
A new sponge-inhabiting leptostracan species of the genus Nebalia (Crustacea: Phyllocarida: Leptostraca) from the Veracruz Coral Reef System, Gulf of Mex-ico 
MANUEL ORTIZ, IGNACIO WINFIELD & SERGIO CHÁZARO-OLVERA (Mexico)
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ORTIZ, PABLO E. (Argentina) - see JAYAT, J. PABLO (Argentina), D'ELíA, GUILLERMO (Chile), PARDIÑAS, ULYSES F. J. (Argentina), MIOTTI,  M. DANIELA (Argentina) & ORTIZ, PABLO E. (Argentina)

ORTIZ, PABLO E. (Argentina) -see JAYAT, J. PABLO (Argentina), ORTIZ, PABLO E. (Argentina), SALAZAR-BRAVO, JORGE  (USA), PARDIÑAS, ULYSES F. J. (Argentina) & D’ELÍA, GUILLERMO  (Chile)

ORTIZ, PABLO E.  (Argentina) - see D’ELÍA, GUILLERMO  (Chile), JAYAT, J. PABLO  (Argentina), , SALAZAR-BRAVO, JORGE  (USA) & PARDIÑAS, ULYSES F. J.  (Argentina)

ORTíz-GALINDO, JOSé LUIS , JOSé LUIS CASTRO-AGUIRRE, EDUARDO F. BALART & NICOLás áVAREZ-PLIEGO (Mexico)
Description of early ontogeny and osteological development of streaked mojarra Eugerres lineatus (Teleostei: Percoidei: Gerreidae)
Zootaxa 1911: 1-30 (22 Oct 2008) 
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ORTIZ-SANCHEZ, F.J.  (Spain)  - see PATINY, S. (Belgium), ORTIZ-SANCHEZ, F.J.  (Spain) & MICHEZ, D. (Belgium)

ÖKTENER, A. (Turkey)
A checklist of metazoan parasites recorded in freshwater fish from Turkey
Zootaxa 394: 1-28 (23 December 2003) 
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ORTH, A. (France) - see CUCCHI, T. (France), ORTH, A. (France), AUFFRAY, J.-C. (France), RENAUD, S. (France), FABRE, L. (France), CATALAN, J. (France), HADJISTERKOTIS, E. (Cyprus), BONHOMME, F. (France) & VIGNE, J.-D. (France) 

ORTUNO, V.M., - see SENDRA, A., ORTUNO, V.M., MORENO, A., MONTAGUD, S. & TERUEL, S. (Spain)

ORTUÑO, VICENTE M. & ARILLO, ANTONIO (Spain)
Fossil carabids from Baltic amber – I – A new species of the genus Calathus Bonelli, 1810 (Coleoptera: Carabidae: Pterostichinae)
Zootaxa 2239: 55-61 (24 Sep. 2009) 
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ORTUÑO, VICENTE M. (Spain) - see REBOLEIRA, ANA SOFIA P. S. (Portugal), ORTUÑO, VICENTE M. (Spain), GONÇALVES, FERNANDO (Portugal) & OROMÍ, PEDRO (Spain)

OSAWA, MASAYUKI  (Japan)
A new species of Chirostylus Ortmann, 1892 (Crustacea: Decapoda: Anomura: Chirostylidae) from the Ryukyu Islands, southwestern Japan, with a supplemental description of Chirostylus ortmanni Miyake & Baba, 1968
Zootaxa 1450: 31-43 (19 Apr. 2007) 
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OSAWA, MASAYUKI  (Japan)
A new species of Polyonyx Stimpson, 1858 (Crustacea: Decapoda: Anomura: Porcellanidae) from the Philippines and Loyalty Islands
Zootaxa 1450: 21-29 (19 Apr. 2007)
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OSAWA, M. (Japan) - see KOMAI,  T. & OSAWA, M. (Japan)

OSAWA,  M. & FUJITA, Y. (Japan)
A new species of Lissoporcellana (Crustacea: Decapoda: Anomura: Porcellanidae) from Okinawa, southwestern Japan
Zootaxa 1038: 53-63 (19 Aug. 2005)
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OSAWA, M. , FUJITA, Y. & OKUNO, J. (Japan)
Two new species of Pagurixus (Crustacea: Decapoda: Anomura: Paguridae) from submarine caves of the Ryukyu Islands, southwestern Japan
Zootaxa 1148: 27-45 (10 Mar. 2006) 
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OSAWA, M. (Japan) & NG, N. (Singapore) 
A new species of Ptychognathus Stimpson, 1858 (Crustacea: Decapoda: Brachyura: Varunidae) from the Ryukyu Islands, southwestern Japan
Zootaxa 1260: 56-66 (14 Jul. 2006)  
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OSAWA, M. (Japan)
Porcellanidae (Crustacea: Decapoda: Anomura) from New Caledonia and the Loyalty Islands
Zootaxa 1548: 1-49 (13 Aug. 2007) 
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OSAWA, M. & KOMAI, T. (Japan)
A new hermit crab species of the Pagurixus anceps group (Crustacea: Decapoda: Anomura: Paguridae) from southern Japan, and supplemental notes on P. patiae Komai, 2006
Zootaxa 1627: 41-51 (31 Oct. 2007)  
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OSAWA, M. & FUJITA, Y. (Japan)
Two new species of Turleania McLaughlin, 1997 (Crustacea: Decapoda: Anomura: Paguridae) from the Ryukyu Islands, southwestern Japan, and a redescription of T. balli (McLaughlin & Haig, 1996)
Zootaxa 1753: 49-68 (21 Apr. 2008) 
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OSAWA, MASAYUKI (Japan) - see HIROSE, MAMIKO. , OSAWA, MASAYUKI & HIROSE, EUICHI (Japan)

OSELLA, GIUSEPPE (Italy) - see COLONNELLI, ENZO & OSELLA, GIUSEPPE (Italy)

OSENTOSKI, M. (USA) - see FREEMAN, B., NICO, L.G., OSENTOSKI, M., JELKS, H.L. & COLLINS, T.M. (USA)

O'SHEA, MARK (Australia) - see WILLIAMS, DAVID J. (Australia), MARK O'SHEA (Australia), ROLAND L. DAGUERRE (UK), CATHARINE E. POOK (UK), WOLFGANG WUSTER (UK), CHRISTOPHER J. HAYDEN (USA), JOHN D. MCVAY (USA), OWEN PAIVA (Papua New Guinea), TEATULOHI MATAINAHO (Papua New Guinea), KENNETH D. WINKEL (Australia) & CHRISTOPHER C. AUSTIN (USA)
Origin of the eastern brownsnake, Pseudonaja textilis (Dumeril, Bibron and Dumeril) (Serpentes: Elapidae: Hydrophiinae) in New Guinea: evidence of multiple dispersals from Australia, and comments on the status of Pseudonaja textilis pughi Hoser 2003
Zootaxa 1703: 47-61 (13 Feb. 2008) 

OSORIO-SARABIA, DAVID  - see  PÉREZ-ÁLVAREZ, YOLANDA, LUIS GARCÍA-PRIETO, DAVID OSORIO-SARABIA, RAFAEL LAMOTHE-ARGUMEDO & VIRGINIA LEÓN-RÈGAGNON (Mexico)

OSPINA, MARCELA (Colombia) & PALACIOS-VARGAS, JOSÉ G. (Mexico)
A new Denisiella Folsom and Mills, 1938 (Collembola: Sminthurididae) from Colombia
Zootaxa 2168: 63-68 (27 Jul. 2009)
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OSPINA-SARRIA, JHON JAIRO  (Colombia)

Zootaxa 3111: 37–48 (28 Nov. 2011) 7 plates; 20 references                         Accepted: 25 Oct. 2011
A new species of Pristimantis (Amphibia: Craugastoridae) with cranial crests from the Colombian Andes
JHON JAIRO OSPINA-SARRIA, JAVIER MENDEZ-NARVAEZ, CARLOS BURBANO-YANDI & WILMAR BOLÍVAR-G (Colombia)

OSPINA-TORRES, R. (Colombia) - see PARRA-H, A.  (Colombia), OSPINA-TORRES, R. (Colombia), RAMÍREZ, S. (USA)

OSPINA-TORRES, R. (Colombia), PARRA-H, A. (Colombia) & GONZALEZ, V.H. (USA)
The male gonostylus of the orchid bee genus Euglossa (Apidae: Euglossini)
Zootaxa 1320: 49-55 (25 Sept. 2006)
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OSTENDE, L.W.V.D.H. (The Netherlands) - see MIRACLE, M.E.G., OSTENDE, L.W.V.D.H. & ARNTZEN, J.W. (The Netherlands)

OSTERHAGE, JENNIFER. (USA) - see KARNS, DARYL R., LUKOSCHEK, VIMOKSALEHI., OSTERHAGE, JENNIFER., MURPHY, JOHN C. & VORIS, HAROLD K. (USA)

OSTROVSKY, ANDREW N. (Russia)

Zootaxa 2798: 1–30 (23 Mar. 2011) 13 plates; 83 references                       Accepted: 14 Feb. 2011
Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
JEAN-GEORGES HARMELIN (France), ANDREW N. OSTROVSKY (Russia), JULIA P. CÁCERES-CHAMIZO (Austria) & JOANN SANNER (USA)
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OTA, HIDETOSHI (Japan) - see MATSUI, MASAFUMI (Japan), KURAISHI, NORIHIRO (Japan), JIANG, JIAN-PING (P.R. China), OTA, HIDETOSHI (Japan), HAMIDY, AMIR (Japan), ORLOV, NIKOLAI L. (Russia) & NISHIKAWA, KANTO (Japan)

OTA, HIDETOSHI  (Japan) - see KURAISHI, NORIHIRO (Japan), MATSUI, MASAFUMI  (Japan), OTA, HIDETOSHI  (Japan) & CHEN, SZU-LUNG  (R. China)

OTA, YUZO  & HIROSE, EUICHI  (Japan)
Description of Gnathia maculosa and a new record of Gnathia trimaculata (Crustacea, Isopoda, Gnathiidae), ectoparasites of elasmobranchs from Okinawan coastal waters
Zootaxa 2114: 50-60 (22 May 2009) 
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OTA, YUZO  & HIROSE, EUICHI (Japan)
Gnathia nubila n. sp. and a new record of Gnathia grandilaris (Crustacea, Isopoda, Gnathiidae) that parasitizes elasmobranchs from Okinawan coastal waters, Japan
Zootaxa 2238: 43-55 (23 Sep. 2009)
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OTHMAN, B.H.R. & AZMAN, B.A.R. (Malaysia)
A new species of Talitridae (Amphipoda: Gammaridea) from Tioman Island, Malaysia
Zootaxa 1454: 59-68 (23 Apr. 2007) 
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OTHMAN, B.H.R. (Malaysia) & MORINO, H. (Japan)
Listriella longipalma sp. nov., a new amphipod species (Crustacea: Liljeborgiidae) from the Straits of Melaka, Malaysia
Zootaxa 1305: 21-32 (31 Aug. 2006)  
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OTHMAN, B.H.R. (Malaysia) - see LIM, J.H.C. , AZMAN, B.A.R. & OTHMAN, B.H.R. (Malaysia)

Zootaxa 3041: 63–65 (24 Sep. 2011) 1 plates; 6 references                         Accepted: 22 Aug. 2011
Description of the female of Eilica pomposa (Araneae, Gnaphosidae) with new records and notes on species distribution 
RICARDO OTT & EVERTON NEI LOPES RODRIGUES (Brazil)
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OTTE, D. (USA) - see PEREZ-GELABERT, D. E. & OTTE, D. (USA)

OTTEN, TINA (Germany)  - see ILIFFE, THOMAS M. (USA), OTTEN, TINA (Germany) & KOENEMANN, STEFAN (Germany)

OTTO, JURGEN C.  (Australia) - see BOCHKOV, ANDRE V.  (Russia) & OTTO, JURGEN C.  (Australia)

OU, XIAO-HONG (P.R. China)

OU, XIAO-HONG (P.R. China) - see MAO, BEN-YONG, REN, GUO-DONG & OU, XIAO-HONG (P.R. China)

OU, XIAO-HONG (P.R. China) - see MAO, BEN-YONG., REN, GUO-DONG & OU, XIAO-HONG (P.R. China)

OU, X.-H. (P.R. China) - see MAO, B.-Y., REN, G.-D. & OU, X.-H. (P.R. China)

OU, XIAO-HONG (China) - see SHI, FU-MING, SHAO-LI MAO & XIAO-HONG OU (China)

OU,  XIAO-HONG - see MAO, BEN-YONG , XIAO-HONG OU & GUO-DONG REN (China)

Zootaxa 2790: 61–68 (14 Mar. 2011) 16 plates; 9 references                      Accepted: 25 Jan. 2011
Review of the genus Euconocephalus Karny (Tettigoniidae: Conocephalinae: Copiphorini) from China
JIAN-FENG WANG, FU-MING, SHI & XIAO-HONG, OU(P.R. China)
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Article
Zootaxa 3118: 51–61 (05 Dec. 2011) 04 plates; 09 references                  Accepted: 09 Sep. 2011
A taxonomic study of the genus Longchuanacris Zheng et Fu (Orthoptera: Acrididae: Catantopinae), with descriptions of two new species from Yunnan, China
BEN-YONG MAO, YAO NIU, XIAO-HONG OU, ZHE-MIN ZHENG & MATTHEW B. SCOTT (China)
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OUDÉ, PASCAL (Benin) - see COLYN, MARC (France), HULSELMANS, JAN (Belgium), SONET, GONTRAN (Belgium), OUDÉ, PASCAL (Benin), WINTER, JAN DE (Germany), NATTA, ARMAND (Benin), NAGY, ZOLTÁN TAMÁS (Belgium) & VERHEYEN, ERIK (Belgium)

OUMI, SHOHEI - see KURAMOTO, MITSURU , SATOU, NAOKI , OUMI, SHOHEI , KURABAYASHI, ATSUSHI  & SUMIDA, MASAYUKI  (Japan)

OWEN, A.K. & PINTO, J.D. (USA)
Pachamama, an uncommon and distinctive new genus of Trichogrammatidae (Hymenoptera: Chalcidoidea) from tropical America
Zootaxa 664: 1-8 (1 October 2004) 
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OWEN, ROBERT D. (Paraguay) - see D'ELIA, GUILLERMO (Chile), MORA, ISMAEL (Paraguay), MYERS, PHIL (USA) & OWEN, ROBERT D. (Paraguay)

IFOR L. OWEN (papua New Guinea)

Zootaxa 3143: 1–163 (23 Dec. 2011) 1 plate; 748 references                      Accepted: 30 Sep. 2011
Parasites of animals in Papua New Guinea recorded at the National Veterinary Laboratory: a catalogue, historical review and zoogeographical affiliations
IFOR L. OWEN
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OYAKAWA, O.T. , AKAMA, A. & ZANATA, A.M. (Brazil)
Review of the genus Hypostomus Lacépède, 1803 from rio Ribeira de Iguape basin, with description of a new species (Pisces, Siluriformes, Loricariidae)
Zootaxa 921: 1-27 (29 Mar. 2005) 
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OYAKAWA, O.T. (Brazil) - see JEREP, F.C., SHIBATTA, O.A.  PEREIRA, E.H.L. & OYAKAWA, O.T. (Brazil)

OYEWO, EMMANUEL ADEOYE  (Norway) - see SÆTHER, OLE A.  & OYEWO, EMMANUEL ADEOYE  (Norway)

OYEWO, EMMANUEL ADEOYE & OLE A. SÆTHER (Norway)
Revision of Polypedilum (Pentapedilum) Kieffer and Ainuyusurika Sasa et Shirasaki (Diptera: Chironomidae)
Zootaxa 1953: 1-145 (5 Dec. 2008) 
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OZBAY, C.  (Turkey) - see SATAR, A.,  SULUDERE, Z.,  CANBULAT, S. & OZBAY, C.  (Turkey)

ÖZBAY, CENGIZHAN (Turkey) - see SENDRA, ALBERTO (Spain), TERUEL, SANTIAGO (Spain), SATAR, ALI (Turkey), TUSUN, SADREDDIN (Turkey) & ÖZBAY, CENGIZHAN (Turkey)

ÖZBEK, MURAT (Turkey)

ÖZBEK, MURAT  & BALIK, SULEYMAN  (Turkey)
A new freshwater amphipod species, Gammarus topkarai sp. nov., from Turkey (Amphipoda: Gammaridae), with a key for Turkish freshwater Gammarus species
Zootaxa 2073: 45-56 (16 Apr. 2009) 
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ÖZBEK, MURAT & ÇAMUR-ELİPEK, BELGİN  (Turkey)
Gammarus kesanensis sp. nov., a new blind amphipod species from Turkey (Amphipoda, Gammaridae), with a key to eyeless Gammarus species of Europe
Zootaxa 2399: 51–60 (15 Mar. 2010)
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Zootaxa 2813: 55–64 (8 Apr. 2011) 7 plates; 8 references                           Accepted: 14 Mar. 2011
Dikerogammarus istanbulensis sp. n., a new amphipod species (Amphipoda: Gammaridae) from Turkey with a key for the genus
MURAT ÖZBEK & NURCAN ÖZKAN (Turkey)
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OZDIKMEN, HUSEYIN (Turkey)
Nomenclatural changes for some Orthoptera (Ensifera and Caelifera)
Zootaxa 1763: 67-68 (5 May 2008) 
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OZKAN,  M. (Turkey) - see BAL , D.A. & OZKAN,  M. (Turkey)

OZKAN,  M. (Turkey) - see ERMAN, O., OZKAN, M., AYYILDIZ, N. & DOGAN, S. (Turkey)

ÖZKAN, MUHLİS (Turkey) - see ERMAN, ORHAN (Turkey), PEŠIĆ, VLADIMIR (Serbia and Montenegro), ESEN, YUNUS (Turkey) & ÖZKAN, MUHLİS (Turkey)

ÖZKAN, NURCAN (Turkey)

Zootaxa 2813: 55–64 (8 Apr. 2011) 7 plates; 8 references                           Accepted: 14 Mar. 2011
Dikerogammarus istanbulensis sp. n., a new amphipod species (Amphipoda: Gammaridae) from Turkey with a key for the genus
MURAT ÖZBEK & NURCAN ÖZKAN (Turkey)
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OZKURT, S.O. (Turkey), SOZEN, M. (Turkey), YIGIT, N. (Turkey), KANDEMIR, I. (Turkey), COLAK, R. (Turkey), GHARKHELOO, M.M. (Iran) & COLAK, E. (Turkey)
Taxonomic status of the genus Spermophilus (Mammalia: Rodentia) in Turkey and Iran with description of a new species
Zootaxa 1529: 1-15 (19 Jul. 2007) 
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OZMAN-SULLIVAN, S.K.  (Turkey)  - see SULLIVAN, G.T. (Turkey), KARACA, I. (Turkey), OZMAN-SULLIVAN, S.K.  (Turkey) & KOLAROV, J. (Bulgaria)

ÖZPARLAK, HALUK (Turkey) - see ARSLAN, ATILLA (Turkey), JAN ZIMA (Czech Rep.) & HALUK ÖZPARLAK (Turkey)

OZULUG, M. (Turkey) - see MERIC, N., ERYILMAZ, L. & OZULUG, M. (Turkey)