Namatherium

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Namatherium
Temporal range: Middle Eocene–Late Eocene
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order:† Embrithopoda
Family:† Arsinoitheriidae
Genus:† Namatherium
Pickford Senut Morales Mein & Sanchez, 2008
Species
  • N blackcrowense (Pickford Senut Morales Mein & Sanchez, 2008)

Namatherium is a genus of basal arsinoitheriid embrithopod from Eocene Namibia. [1]

Description

A majority of the remains of Namatherium are skull material. The skull bears similar nasal horns to Arsinoitherium , a close relative. Arsinoitherium and Namatherium also share the trait of pseudolophodont molars, with hyperdilambdodonty being present in both. [2] [3] Namatherium is more basal in some regards, not having many derived traits (like a fused fenestra cochleae, which Arsinotherium bears) [2] , which has led to Namatherium being placed as a basal arsinotheriid. [4] [2]

References

  1. ↑ Pickford, Martin, Brigitte Senut, J. Morales, Pierre Mein, and I. M. Sanchez (2008). "Mammalia from the Lutetian of Namibia" (PDF). Memoirs of the Geological Survey of Namibia. 20– via ResearchGate.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. 1 2 3 "New data on the earliest known arsinoitheriid embrithopod (Mammalia, Paenungulata), Namatherium Pickford, Senut, Morales, Mein & Sanchez, 2008 from the middle Eocene of Namibia". Geodiversitas. 47 (8): 343–368. 2025.
  3. ↑ Gheerbrant, Emmanuel; Khaldoune, Fatima; Schmitt, Arnaud; Tabuce, Rodolphe (2021-06-01). "Earliest Embrithopod Mammals (Afrotheria, Tethytheria) from the Early Eocene of Morocco: Anatomy, Systematics and Phylogenetic Significance". Journal of Mammalian Evolution. 28 (2): 245–283. doi:10.1007/s10914-020-09509-6. ISSN   1573-7055.
  4. ↑ Vialle, Nicolas; Merzeraud, Gilles; Delmer, Cyrille; Feist, Monique; Jiquel, Suzanne; Marivaux, Laurent; Ramdarshan, Anusha; Vianey-Liaud, Monique; Essid, El Mabrouk; Marzougui, Wissem; Ammar, Hayet Khayati; Tabuce, Rodolphe (2013-11-01). "Discovery of an embrithopod mammal (Arsinoitherium?) in the late Eocene of Tunisia" . Journal of African Earth Sciences. 87: 86–92. doi:10.1016/j.jafrearsci.2013.07.010. ISSN   1464-343X.
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