Crustacea; Pisces; Annelida; Coelenterata; Amphibia; Araneae

Article
Zootaxa 3523: 1–19 (23 Oct. 2012) 9 plates; 19 references               Accepted: 28 Sept. 2012
Tanaidacea (Tanaidacea: Crustacea) from Brazil. IV. A new genus and two new species from the family Leptocheliidae 
CATARINA DE L. ARAÚJO-SILVA & KIM LARSEN (Brazil)
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Article
Zootaxa 3523: 20–24 (23 Oct. 2012) 4 plates; 6 references              Accepted: 17 Sept. 2012
Opistognathus pardus, a new species of jawfish (Teleostei: Opistognathidae) from the Western Indian Ocean 
WILLIAM F. SMITH-VANIZ (USA), K. K. BINEESH (India) & K. V. AKHILESH (India)
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Article
Zootaxa 3523: 25–38 (23 Oct. 2012) 4 plates; 37 references            Accepted: 28 Sept. 2012
Revision of the genus Polyeunoa McIntosh, 1885 (Polychaeta, Polynoidae) 
RUTH BARNICH (Germany), MARIA CRISTINA GAMBI (Italy) & DIETER FIEGE (Italy)
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Article
Zootaxa 3523: 39–48 (23 Oct. 2012) 7 plates; 45 references            Accepted: 19 Sept. 2012
The genus Hybocodon (Cnidaria, Hydrozoa) in the southwestern Atlantic Ocean, with a revision of the species recorded from the area 
CAROLINA S. RODRIGUEZ (Argentina), THAÍS P. MIRANDA (Brazil), ANTONIO C. MARQUES (Brazil), HERMES MIANZAN (Argentina) & GABRIEL GENZANO (Argentina)
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Article
Zootaxa 3523: 49–58 (23 Oct. 2012) 5 plates; 23 references            Accepted: 28 Sept. 2012
A new species of Pseudopaludicola Miranda-Ribeiro, 1926 (Anura: Leiuperidae) from the state of Mato Grosso, Brazil, with comments on the geographic distribution of Pseudopaludicola canga Giaretta & Kokubum, 2003 
ANDRÉ PANSONATO, DRÁUSIO H. MORAIS, ROBSON W. ÁVILA, RICARDO A. KAWASHITA-RIBEIRO, CHRISTINE STRÜSSMANN & ITAMAR A. MARTINS (Brazil)
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Correspondence
Zootaxa 3523: 59–63 (23 Oct. 2012) 3 plates; 24 references            Accepted: 18 Sept. 2012
On the nursery-web spider genus Hypsithylla Simon, 1903 (Araneae: Pisauridae) and its synonymy with Hygropoda Thorell, 1894 
ESTEVAM L. CRUZ DA SILVA (Brazil)
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Correspondence
Zootaxa 3523: 64–68 (23 Oct. 2012) 1 plate; 23 references             Accepted: 21 Sept. 2012
Dates of publication and the organisation of Versuch einer Naturgeschichte der Krabben und Krebse by Johann Friedrich Wilhelm Herbst 
MARTYN E. Y. LOW (Japan)
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Article
Zootaxa 3523: 69–79 (23 Oct. 2012) 6 plates; 41 references           Accepted: 24 Sept. 2012
Redescription and notes on the reproductive biology of the sea anemone Urticina fecunda (Verrill, 1899), comb. nov. (Cnidaria: Actiniaria: Actiniidae) 
PAUL G. LARSON (USA), JEAN-FRANÇOIS HAMEL (Canada) & ANNIE MERCIER (Canada)
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Article
Zootaxa 3523: 80–88 (23 Oct. 2012) 7 plates; 25 references          Accepted: 20 Sept. 2012
A new species of Indo-Pacific fish, Canthigaster criobe, with comments on other Canthigaster (Tetraodontiformes: Tetraodontidae) at the Gambier Archipelago 
JEFFREY T. WILLIAMS (USA), ERWAN DELRIEU-TROTTIN (France) & SERGE PLANES (France)
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