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An unusual, dwarf new species of Neotropical freshwater stingray, Plesiotrygon nana sp. nov., from the upper and mid Amazon basin: the second species of Plesiotrygon (Chondrichthyes: Potamotrygonidae)

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By: Carvalho, Marcelo R. de - Ragno, Maíra P.

Type: Article

In: Papéis Avulsos de Zoologia (São Paulo)

Date: 2011-01-01

Subjects: Morphology Myliobatiformes Plesiotrygon iwamae Rio Solimões Río Ucayali South America taxonomy