Protosirenidae

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
Infraclass:	Placentalia
Order:	Sirenia
Family:	†Protosirenidae; Sickenberg, 1934
Genera
	Ashokia; Dakhlasiren; Libysiren; Protosiren;

Protosirenidae is an extinct primitive family of the order Sirenia.^[2]^[3]

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.^[4]

References

↑ Zouhri, S.; Zalmout, I. S.; Gingerich, P. D. (2022). "New protosirenid (Mammalia, Sirenia) in the late Eocene sea cow assemblage of southwestern Morocco". Journal of African Earth Sciences. 189 104516. Bibcode:2022JAfES.18904516Z. doi:10.1016/j.jafrearsci.2022.104516. S2CID 247421975.
↑ 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)

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