Eosiren

Extinct genus of mammals From Wikipedia, the free encyclopedia

Eosiren is an extinct genus of sea cow that lived during the Late Eocene (later Priabonian) to Early Oligocene (Rupelian).[1] Several fossils have been found in Egypt. It seems like the species E. abeli were contemporaneous with Protosiren and Eotheroides.[1] Like them, Eosiren closely resembled modern sirenians, with the primary differences being somewhat larger innominates and the presence of thigh bones.[1]

Quick facts Scientific classification, Species ...
Eosiren
Temporal range: Late Eocene–Oligocene
Skull of E. libyca.
Scientific classification
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Subfamily:
Halitheriinae
Genus:
Eosiren

Andrews, 1902
Species
  • E. abeli
  • E. imenti
  • E. libyca
  • E. stromeri
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Drawing of skeleton.
E. libyca and an extant manatee by Charles R. Knight, 1907
Size of Eosiren (purple) compared to other Eocene sirenians and a human.

Eosiren was first described by vertebrage paleontologist Charles William Andrews in 1902, who distinguished it from the genus Halitherium due to differences in the teeth and mandible.[2] Later that year, Science published a summary of his findings in a collection on advances in zoopaleontology.[3]

References

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