Biology:Namatherium

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

Short description: Extinct genus of arsinotheriid mammal


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". Memoirs of the Geological Survey of Namibia 20. https://www.researchgate.net/profile/Israel-Sanchez-6/publication/281760776_Mammalia_from_the_Lutetian_of_Namibia/links/5672ef5d08aee7a4274363c8/Mammalia-from-the-Lutetian-of-Namibia.pdf?origin=journalDetail&_tp=eyJwYWdlIjoiam91cm5hbERldGFpbCJ9. 
  2. 2.0 2.1 2.2 "New data on the earliest known arsinoitheriid embrithopod (Mammalia, Paenungulata), Namatherium Pickford, Senut, Morales, Mein & Sanchez, 2008 from the middle Eocene of Namibia" (in en). Geodiversitas 47 (8): 343–368. 2025. https://sciencepress.mnhn.fr/en/periodiques/geodiversitas/47/8. 
  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" (in en). Journal of Mammalian Evolution 28 (2): 245–283. doi:10.1007/s10914-020-09509-6. ISSN 1573-7055. https://doi.org/10.1007/s10914-020-09509-6. 
  4. Vialle, Nicolas; Merzeraud, Gilles; Delmer, Cyrille; Feist, Monique; Jiquel, Suzanne; Marivaux, Laurent; Ramdarshan, Anusha; Vianey-Liaud, Monique et al. (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. https://www.sciencedirect.com/science/article/pii/S1464343X13001337. 

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