Mammalia - Sirenia - Prorastomidae

PaleoDB taxon number: 70770

Full reference: D. P. Domning. 2001. The earliest known fully quadrupedal sirenian. Nature 413:625-627

Belongs to Pezosiren according to D. P. Domning 2008

Sister taxa: none

Type specimen: USNM 511925, a mandible. Its type locality is Seven Rivers [Guys Hill Mbr, Chapelton Fm], which is in a Lutetian estuary/bay sandstone/siltstone in the Chapelton Formation of Jamaica.

Ecology: scansorial insectivore