Quagio-Grassiotto, Irani, Spadella, Maria Angélica, Carvalho, Márcio de & Oliveira, Claudio, 2005, Comparative description and discussion of spermiogenesis and spermatozoal ultrastructure in some species of Heptapteridae and Pseudopimelodidae (Teleostei: Siluriformes)

Quagio-Grassiotto, Irani, Spadella, Maria Angélica, Carvalho, Márcio de & Oliveira, Claudio, 2005, Comparative description and discussion of spermiogenesis and spermatozoal ultrastructure in some species of Heptapteridae and Pseudopimelodidae (Teleostei: Siluriformes), Neotropical Ichthyology 3 (3), pp. 401-410

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