Iniidae

4 species

1. 1Inia araguaiaensis Hrbek, Farias, Dutra, & V. M. F. da Silva in Hrbek, V. M. F. da Silva, Dutra, Gravena, A. R. Martin, & Farias, 2014 · Araguaian River Dolphin
2. 2Inia boliviensis d'Orbigny, 1834 · Bolivian River Dolphin
3. 3Inia geoffrensis (de Blainville in A. G. Desmarest, 1817) · Amazon River Dolphin · IUCN EN
4. 4Inia humboldtiana Pilleri & Gihr, 1978 · Orinoco River Dolphin

Source: Mammal Diversity Database (mammaldiversity.org), 6904 species, fetched 2026-10-18.