Potamosiren

Potamosiren; Temporal range: Mid Miocene (Laventan); ~13.8–11.8 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Sirenia
Family:	Trichechidae
Subfamily:	Trichechinae
Genus:	Potamosiren; Reinhart 1951
Species
	Potamosiren magdalensis Reinhart, 1951 (type);

Potamosiren is an extinct genus of manatee from the Middle Miocene (Laventan) Honda Group of Colombia.^[1]

Phylogeny

A 2014 cladistic analysis of extinct sirenians recovers Potamosiren as a close relative of modern manatees.^[2]

^ Potamosiren at Fossilworks.org
^ M. Voss. 2014. On the invalidity of Halitherium schinzii Kaup, 1838 (Mammalia, Sirenia), with comments on systematic consequences. Zoosystematics and Evolution 90(1):87-93