| Inia | |
|---|---|
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| AnAmazon river dolphin at theDuisburg Zoo. | |
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| Size compared to an average human | |
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Infraorder: | Cetacea |
| Family: | Iniidae |
| Genus: | Inia d'Orbigny, 1834 |
| Type species | |
| Inia boliviensis[1] d'Orbigny, 1834 | |
| Species | |
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| Inia spp. ranges.I. araguaiaensis,I. geoffrensis andI. boliviensis are blue, light green and purple, respectively.I. humboldtiana is grouped withgeoffrensis. | |
Inia is a genus ofriver dolphins fromSouth America, containing one to four species.
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The genus was described byAlcide d'Orbigny in 1834 whenDelphinus geoffrensis, described byHenri Marie Ducrotay de Blainville in 1817, was recognized to be a uniquetaxon. D'Orbigny also describedInia boliviensis as type species of the genus.[2] A 1998 classification listed a single species,Inia geoffrensis, in the genusInia, with three recognizedsubspecies.[3] Most of the scientific community accepted this single species classification, as does theIUCN.[4] As of 2016 the Committee on Taxonomy of theSociety for Marine Mammalogy considers the genusInia to contain one species with only two subspecies: the Bolivian (I. g. boliviensis) and the Amazon (I. g. geoffrensis) subspecies.[5] In 2014, the population in theAraguaia-Tocantins basin was proposed to define an additional species,Inia araguaiaensis,[6] but this remains debated. TheAmerican Society of Mammalogists recognizes the highest number of species at four, although this is only tentative, pending further studies which could either confirm or deny the classification.[7]
American Society of Mammalogists Classification
GenusInia
IUCN Classification
GenusInia
Society For Marine Mammalogy Classification
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