Potamotrygonocotyle
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1. Molecular Systematics and Biogeography of Monogenoidea (Platyhelminthes: Cercomeromorpha), Gill Parasites of Potamotrygonidae (Chondrichthyes: Rajiformes: Myliobatoidei) / Sistemática molecular e biogeografia dos Monogenoidea (Platyhelminthes: Cercomeromorpha), parasitas das brânquias de Potamotrygonidae (Condrichthyes: Rajiformes: Myliobatoidei)
South America is the only biogeographical region in the world where is possible to find an exclusive stenohalin group of elasmobranchs: the Potamotrygonidae stingrays. Between 19 and 21 species of potamotrygonid stingrays are taxonomically organized in three genera, distributed in the Atrato, Magdalena, Maracaibo, Orinoco, Essequibo, Amazonas e la Plata rive
Publicado em: 2009