Potamotrygonidae

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Potamotrygonidae

fish family

Learn about this topic in these articles:

annotated classification

In chondrichthyan: Annotated classification
Family Potamotrygonidae (freshwater stingrays) Like Urolophidae in most respects. 3 genera, 20 species; freshwater rivers and streams of tropical South America. Family Myliobatidae (eagle rays) Distinguished from other myliobatoids by the forepart of the head projecting
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