Neotherium

Neotherium
Temporal range: Middle Miocene
↓
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Clade: Pinnipedia
Family: Odobenidae
Genus: †Neotherium
Kellogg, 1931
Species:
†N. mirum
Binomial name
†Neotherium mirum
Kellogg, 1931

Neotherium mirum is an extinct species of basal walrus.[1][2] It was smaller than living forms and it did not have long tusks. Males were larger than females.

Palaeoecology

Stable isotope evidence indicates that in the eastern North Pacific, Neotherium had intermediate foraging habits between the nearshore specialist Pithanotaria and the offshore specialist Allodesmus.[3]

References

  1. ^ Naoki Kohno, Lawrence G. Barnes & Kiyoharu Hirota (1994). "Miocene fossil pinnipeds of the genera Prototaria and Neotherium (Carnivora; Otariidae; Imagotariinae) in the North Pacific Ocean: Evolution, relationships and distribution". The Island Arc. 3 (4): 285–308. Bibcode:1994IsArc...3..285K. doi:10.1111/j.1440-1738.1994.tb00117.x.
  2. ^ Berta, Annalisa. 2002b. Pinniped Evolution in Encyclopedia of Marine Mammals, eds. Perrin, William F., Bernd Würsig, and J. G. M. Thewissen. Academic Press.
  3. ^ Valenzuela-Toro, Ana M.; Pyenson, Nicholas D.; Costa, Daniel P.; Clementz, Mark; Koch, Paul L. (1 September 2024). "Stable isotope evidence for resource partitioning in extinct marine carnivores". Palaeogeography, Palaeoclimatology, Palaeoecology. 649: 112302. doi:10.1016/j.palaeo.2024.112302. Retrieved 12 November 2024 – via Elsevier Science Direct.


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