Potamosiren is an extinct genus of manatee from the Middle Miocene (Laventan) Honda Group of Colombia.Potamosiren at Fossilworks.org
Phylogeny A 2014 cladistic analysis of extinct sirenians recovers Potamosiren as a close relative of modern manatees.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
See also
Evolution of sirenians
References