Protosirenidae
| Protosirenidae Temporal range:
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| The skeleton of Protosiren | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Sirenia |
| Family: | †Protosirenidae Sickenberg, 1934 |
| Genera | |
Protosirenidae is an extinct primitive family of the order Sirenia.[1][2]
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
[edit]
References
[edit]- ^ D. P. Domning, G. J. Heal, and S. Sorbi. 2017. Libysiren sickenbergi, gen. et sp. nov.: a new sirenian (Mammalia, Protosirenidae) from the middle Eocene of Libya. Journal of Vertebrate Paleontology 37(2):e1299158
- ^ "Fossilworks: Protosirenidae".
- ^ Berta, Annalisa; Sumich, James; Kovacs, Kit (2005). Sirenian and Other Marine Mammals: Evolution and Systematics (PDF) (2nd ed.). Elsevier Science. pp. 89–110. ISBN 9780120885527. Retrieved 15 July 2018.
{{cite book}}:|work=ignored (help)
External links
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