Hypsamasia

Hypsamasia
Temporal range: Middle Eocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Embrithopoda
Family: Palaeoamasiidae
Şen & Heintz 1979
Genus: Hypsamasia
Maas, Thewissen & Kappelman 1998
Species: H. seni
Binomial name
Hypsamasia seni
Maas, Thewissen & Kappelman 1998

Hypsamasia is an extinct embrithopod mammal that lived during the middle Eocene.[1] Dental remains of this herbivore[2] have been found in the Kartal Formation near the village Saribeylar (40°06′N 32°42′E / 40.1°N 32.7°E / 40.1; 32.7, paleocoordinates 38°12′N 28°12′E / 38.2°N 28.2°E / 38.2; 28.2)[3] north of Ankara in what is today Anatolia.[1]

Hypsamasia seni was named in reference to its high crowned cheek teeth (Greek: hypsos, "height"), the type locality (the Roman town and province Amasya), and after Dr Sevket Sen for his important contribution to the paleontology and geology of western Asia.[4]

Hypsamasia differs from Palaeoamasia in its larger size and the highly crowned teeth. Other, unnamed embrithopods have been found in the Kartal Formation. Embrithopods are best known from northern Africa, but their range encompassed Central Africa, the Arabian Peninsula, and Romania. The Turkish paleoamasiids are older and are therefore assumed to be more primitive.[5]

Notes

  1. 1 2 Maas, Thewissen & Kappelman 1998
  2. ↑ Hypsamasia in the Paleobiology Database. Retrieved May 2013.
  3. ↑ Saribeylar in the Paleobiology Database. Retrieved May 2013.
  4. ↑ Maas, Thewissen & Kappelman 1998, Systematic Paleontology, Etymology 1 & 2
  5. ↑ Maas, Thewissen & Kappelman 1998, Discussion, pp. 290–1

References

  • Maas, M.C.; Thewissen, J.G.M.; Kappelman, J. (1998). "Hypsamasia seni (Mammalia: Embrithopoda) and other mammals from the Eocene Kartal Formation of Turkey". In Beard, K.C.; Dawson, M.R. Dawn of the Age of Mammals in Asia (PDF). Bulletin of Carnegie Museum of Natural History. 34. pp. 286–297. OCLC 493312921. Retrieved May 2013.  Check date values in: |access-date= (help)
  • Şen, Ş.; Heintz, E. (1979). "Palaeoamasia kansui Ozansoy 1966, embrithopode (Mammalia) de l'Eocene de Anatolie". Annales de paléontologie (Vértébres). 65 (1): 73–91. 
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