Isohyaenodon

Isohyaenodon is an extinct genus of hyaenodont mammal of the family Hyainailouridae. Remains are known from early Miocene deposits in Kenya, East Africa.

Isohyaenodon
Temporal range: Early Miocene
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Subfamily:
Hyainailourinae
Genus:
Isohyaenodon

Savage, 1965
Species
  • I. andrewsi Savage, 1965 (type)
  • I. zadoki (Savage, 1965)

Description

Isohyaenodon is distinguished from Hyaenodon in having more robust molars, lower molars with a subequal paraconid and protoconid, and upper molars with a more well-developed protocone.[1]

Taxonomy

Isohyaenodon was considered possibly the same genus as Leakitherium from the same region by Van Valen (1967),[2] but subsequent studies have rejected this assumption.[3][4]

Isohyaenodon pilgrimi Savage, 1965 was formerly assigned to this genus, but has been renamed Exiguodon.[4]

References

  1. Morales, J., Pickford, M., Soria, D. (1998): A new creodont Metapterodon stromeri nov. sp. (Hyaenodontidae, Mammalia) from the early Miocene of Langental (Sperrgebiet, Namibia). – Comptes Rendus de l’Académie des Sciences, Paris, Série Sciences de la Terre et des Planètes, 327: 633–638.
  2. Valen, L. van (1967): New Paleocene insectivores and insectivore classifi cation. – Bulletin of the American Museum of Natural History, 135: 217–284.
  3. Solé F, Amson E, Borths M, Vidalenc D, Morlo M, Bastl K (2015) A New Large Hyainailourine from the Bartonian of Europe and Its Bearings on the Evolution and Ecology of Massive Hyaenodonts (Mammalia). PLoS ONE 10(9): e0135698. https://doi.org/10.1371/journal.pone.0135698
  4. Jorge Morales; Martin Pickford (2017). "New hyaenodonts (Ferae, Mammalia) from the Early Miocene of Napak (Uganda), Koru (Kenya) and Grillental (Namibia)" (PDF). Fossil Imprint. 73 (3–4): 332–359. doi:10.1515/if-2017-0019.


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