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An Amazon river dolphin at Duisburg Zoo.
Amazon river dolphin size.svg
Size compared to an average human
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Subclass: Eutheria
Order: Cetacea
Suborder: Odontoceti
Superfamily: Inioidea[1]
Family: Iniidae
Gray, 1846

see text

Iniidae is a family of river dolphins containing one living and four extinct genera.


The family was described by John Edward Gray in 1846.[1]

Current classifications include a single living genera, Inia, with one to three[2] species and several subspecies. The family also includes three extinct genera described from fossils found in South America, Florida, Libya, and Italy.[1]


  1. ^ a b c The paleobiology Database
  2. ^ Hrbek, Tomas; Da Silva, Vera Maria Ferreira; Dutra, Nicole; Gravena, Waleska; Martin, Anthony R.; Farias, Izeni Pires (2014-01-22). Turvey, Samuel T., ed. "A New Species of River Dolphin from Brazil or: How Little Do We Know Our Biodiversity". PLOS ONE 9: e83623. doi:10.1371/journal.pone.0083623. 

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