Articles relating to the river dolphins, a polyphyletic group of fully aquatic mammals that reside exclusively in freshwater or brackish water. They are an informal grouping of dolphins, which itself is a paraphyletic group within the infraorder Cetacea. Extant river dolphins are placed in two superfamilies, Platanistoidea and Inioidea. They comprise the families Platanistidae (the South Asian dolphins), the recently extinct Lipotidae (Yangtze river dolphin), Iniidae (the Amazonian dolphins) and Pontoporiidae. There are five extant species of river dolphins.
Subcategories
This category has the following 2 subcategories, out of 2 total.
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Pages in category "River dolphins"
The following 11 pages are in this category, out of 11 total. This list may not reflect recent changes.