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Issue: Vol. 3010 No. 1: 31 Aug. 2011
Type: Articles
Published: 2011-08-31
DOI: 10.11646/zootaxa.3010.1.1
Page range: 1–19
Abstract views: 29
PDF downloaded: 2

Monogenoids (Diplectanidae, Polyonchoinea) from the gills of mojarras (Perciformes, Gerreidae) with the resurrection of Neodiplectanum Mizelle & Blatz, 1941 and the proposal of Darwinoplectanum n. gen.

Universidade Federal do Pará, Campus Universitário de Bragança, Instituto de Estudos Costeiros; Alameda Leandro Ribeiro s/n., 68600–000, Bragança, PA, Brazil
Laboratory of Parasitology and Laboratory of Aquatic Animals Pathologies-Khaled Bin Sultan Living Oceans Foundation, Department of Animal Biology, Faculty of Sciences and Technologies, University Cheikh Anta Diop, Dakar, Senegal
IRD (ex-ORSTOM)/ISE-M, UR226/UMR5554, Université Montpellier II - CC 063, F-34095 Montpellier Cedex 5, France
Platyhelminthes Monogenoidea Diplectanidae Diplectaninae Neodiplectanum Darwinoplectanum n. gen. Gerreidae taxonomy

Abstract

Neodiplectanum Mizelle & Blatz, 1941 is resurrected and emended for monogenoids from the gills of gerreid hosts from Western Atlantic: Neodiplectanum wenningeri from Eucinostomus gula (Quoy & Gaimard) [type-host] and Gerres cireneus (Walbaum); N. magnodiscatum (Fuentes Zambrano, 1997) n. comb. (syn. Diplectanum magnodiscatum Fuentes Zambrano, 1997) from Eugerres plumieri (Cuvier); Neodiplectanum gatunense (Mendoza Franco, Roche & Torchin, 2008) n. comb. (syn. D. gatunense Mendoza Franco, Roche & Torchin, 2008) from Eugerres brasilianus (Cuvier); N. mexicanum (Mendoza Franco, Roche & Torchin, 2008) n. comb. (syn. D. mexicanum Mendoza Franco, Roche & Torchin, 2008) from Diapterus rhombeus (Cuvier). Neodiplectanum is characterized for diplectanids with male copulatory organ and accessory piece non-articulated, heavily sclerotised vaginal atrium, ventral anchors with deep root twice as long as superficial root, dorsal anchors with conspicuous superficial and deep roots and squamodiscs with spinelike rodlets in the posterior rows. Darwinoplectanum n. gen. is proposed for species with male copulatory organ articulated to the accessory piece, vaginal opening sinistral, marginal or submarginal; non-sclerotised vagina atrium; and egg ovate with short filament. Here, we described three new species of Darwinoplectanum n. gen. from the gills of gerreid hosts from the Eastern and/or Western Atlantic: Darwinoplectanum figueiredoi n. gen. n. sp. [type species] from Eucinostomus argenteus Baird & Girard; D. amphiatlanticus n. gen. n. sp. from Eucinostomus melanopterus (Bleecker)[Type host] from Africa, and E. argenteus from Brazil; and D. pilittae n. gen. n. sp. from G. cireneus.

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