Protosirenidae is an
extinct
Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
primitive family of the order
Sirenia.
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.
See also
*
Dugongidae
*
Evolution of sirenians
*
Manatee
Manatees (, family (biology), family Trichechidae, genus ''Trichechus'') are large, fully aquatic, mostly herbivory, herbivorous marine mammals sometimes known as sea cows. There are three accepted living species of Trichechidae, representing t ...
References
External links
''Protosiren''at
The Paleobiology Database.
Eocene sirenians
Prehistoric mammal families
{{Paleo-sirenian-stub