Protosirenidae
Extinct family of aquatic mammals / From Wikipedia, the free encyclopedia
Protosirenidae is an extinct primitive family of the order Sirenia.[1][2]
Quick Facts Scientific classification, Genera ...
Protosirenidae | |
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The skeleton of Protosiren | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | Sirenia |
Family: | †Protosirenidae Sickenberg, 1934 |
Genera | |
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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]