Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
OrdoTherapsida
Cladus: Theriodontia
Subordo: Cynodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Eutheria
Cohort: Placentalia
Cladus: Boreoeutheria
Superordo: Laurasiatheria
Ordo: Artiodactyla
Subordo: Whippomorpha
Infraordo: Cetacea
Cladus: Neoceti
Parvordo: Odontoceti
Familia: Iniidae
Genus: Inia
Species (2-3): I. araguaiaensis – ?I. boliviensis – Inia geoffrensis
Name
Inia d'Orbigny, 1834
References
Banguera-Hinestroza, E. et al. (2002). Genetic diferentiation [sic] in populations of the river dolphins genus Inia (Blainville, 1817) and apports to the taxonomic status with molecular analysis. Rev. Acad. Colom. Cienc. 26 (101): 575–588. PDF
Links
Inia in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
Wilson, D.E. & Reeder, D.M. (eds.) 2005. Mammal Species of the World: a taxonomic and geographic reference. 3rd edition. The Johns Hopkins University Press: Baltimore. 2 volumes. 2142 pp. ISBN 978-0-8018-8221-0. Reference page.
Vernacular names
日本語: アマゾンカワイルカ属
ไทย: โลมาสีชมพู, โลมาแม่น้ำอเมซอน
Inia is a genus of river dolphins from South America. It contains one to four species, they are collectively referred to as pink river dolphins.
Taxonomy
Inia spp. skull
The genus was described by Alcide d'Orbigny in 1834 when Delphinus geoffrensis, described by Henri Marie Ducrotay de Blainville in 1817, was recognized to be a unique taxon. A 1998 classification listed a single species, Inia geoffrensis, in the genus Inia, with three recognized subspecies.[1] Most of the scientific community accepted this single species classification, as does the IUCN.[2] As of 2016 the Committee on Taxonomy of the Society for Marine Mammalogy considers the genus Inia to contain one species with only two subspecies: the Bolivian (I. g. boliviensis) and the Amazon (I. g. geoffrensis) subspecies.[3] In 2014, the population in the Araguaia-Tocantins basin was proposed to define an additional species, Inia araguaiaensis,[4] but this remains debated. The American 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.[5]
American Society of Mammalogists Classification
Genus Inia
Species Inia araguaiaensis – Araguaian river dolphin
Species Inia boliviensis – Bolivian river dolphin
Species Inia geoffrensis – Amazon river dolphin
Species Inia humboldtiana – Orinoco river dolphin
IUCN Classification
Genus Inia
Species Inia geoffrensis – Amazon river dolphin
Amazon Subspecies I. g. geoffrensis
Bolivian Subspecies I. g. boliviensis
Orinoco Subspecies I. g. humboldtiana
Society For Marine Mammalogy Classification
Genus Inia
Species Inia geoffrensis – Amazon river dolphin
Amazon Subspecies I. g. geoffrensis
Bolivian Subspecies I. g. boliviensis
References
Rice, D. W. (1998). Marine mammals of the world: systematics and distribution. Society of Marine Mammalogy Special Publication Number 4. p. 231.
R.R. Reeves; T.A. Jefferson; L. Karczmarski; K. Laidre; G. O'Corry-Crowe; L. Rojas-Bracho; E.R. Secchi; E. Slooten; B.D. Smith; J.Y. Wang; K. Zhou (2011). "Inia geoffrensis". IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. International Union for Conservation of Nature and Natural Resources.
"List of Marine Mammal Species and Subspecies - Society for Marine Mammalogy". www.marinemammalscience.org. Retrieved 2017-09-01.
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 (1): e83623. Bibcode:2014PLoSO...983623H. doi:10.1371/journal.pone.0083623. PMC 3898917. PMID 24465386.
"Explore the Database". www.mammaldiversity.org. Retrieved 2021-09-05.
General references
Montgomery, Sy (15 February 2009). Journey of the Pink Dolphins: An Amazon Quest. Chelsea Green Publishing. ISBN 9 78-1-60358-175-2. OCLC 42295841.
Juliet Clutton-Brock (2000). Mammals, 381 pages.
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