Protosirenidae

Protosirenidae is an extinct primitive family of the order Sirenia.^[1][2]

Protosirenidae Temporal range: Middle Eocene–Late Eocene PreꞒ Ꞓ O S D C P T J K Pg N
The skeleton of Protosiren
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Sirenia
Family:	†Protosirenidae Sickenberg, 1934
Genera
Ashokia Libysiren Protosiren

Protosirenids are thought to have been amphibious quadrupeds, meaning that they spent their time both on land and in the water and had four legs.^[3]

See also

• Paleontology portal

• Dugongidae
• Evolution of sirenians
• Manatee