Lontra

Life-forms

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Cladus: Boreoeutheria
Superordo: Laurasiatheria
Cladus: Scrotifera
Cladus: Ferungulata
Cladus: Ferae
Cladus: Pancarnivora
Cladus: Carnivoramorpha
Cladus: Carnivoraformes
Ordo: Carnivora
Subordo: Caniformia
Infraordo: Arctoidea
Superfamilia: Musteloidea

Familia: Mustelidae
Subfamilia: Lutrinae
Genus: Lontra
Species: L. canadensis - L. felina - L. longicaudis - L. provocax
Name

Lontra Gray, 1843

Type species: Lontra canadensis (Schreber, 1777)
References

Gray, J.E. 1843. Descriptions of some new genera and species of Mammalia in the British Museum colloction. Annals and Magazine of Natural History, Series 1, 11: 118
Lontra 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.
Lontra Gray, 1943 – Taxon details on Integrated Taxonomic Information System (ITIS).

Vernacular names
English: River otter
ไทย: นากแม่น้ำ
Türkçe: Yeni dünya samuru

Lontra is a genus of otters from the Americas.[1]
Species

These species were previously included in the genus Lutra, together with the Eurasian otter, but they have now been moved to a separate genus. The genus comprises four living and one known fossil species:
Extant species

Genus Lontra – Gray, 1843 – four species

Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
North American river otter	Lontra canadensis (, ) Seven subspecies L. c. canadensis (Schreber, 1777) L. c. kodiacensis (Goldman, 1935) L. c. lataxina (Cuvier, 1823) L. c. mira (Goldman, 1935) L. c. pacifica (J. A. Allen, 1898) L. c. periclyzomae (Elliot, 1905) L. c. sonora (Rhoads, 1898)	North America	Size: Habitat: Diet:	LC

Southern river otter	Lontra provocax (Thomas, 1908)	Chile and Argentina	Size: Habitat: Diet:	EN
Neotropical otter	Lontra longicaudis (Olfers, 1818) Six subspecies L. l. annectens L. l. colombiana L. l. enudris L. l. incarum L. l. longicaudis L. l. raferrous	Central America, South America and the Caribbean island of Trinidad	Size: Habitat: Diet:	NT

Marine otter	Lontra felina (Molina, 1782)	South America	Size: Habitat: Diet:	EN

Extinct species

Scientific name	Common name	Distribution
†Lontra weiri	Weir's otter	Pliocene North America[2]

References

Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494.
Prassack, K.A. (July 2016). "Lontra weiri, sp. nov., a Pliocene river otter (Mammalia, Carnivora, Mustelidae, Lutrinae) from the Hagerman Fossil Beds (Hagerman Fossil Beds National Monument), Idaho, USA". Journal of Vertebrate Paleontology. 36 (4): e1149075. Bibcode:2016JVPal..36E9075P. doi:10.1080/02724634.2016.1149075. S2CID 87404097.

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