Lontra longicaudis longicaudis Olfers 1818 (neotropical otter)
Mammalia - Carnivora - Mustelidae
Synonyms: Lutra latifrons Nehring 1887, Lutra platensis Waterhouse 1838, Lutra solitaria Wagner 1842
Belongs to Lontra longicaudis according to S. Larivière 1999
See also Nehring 1900
Sister taxa: Lontra longicaudis annectens, Lontra longicaudis enudris
Ecology: amphibious carnivore-omnivore
Distribution: found only at Lujan (Quaternary of Argentina)