Andrewsarchus mongoliensis AMNH 201353D Model
Restored skull of Andrewsarchus mongoliensis based on images of specimen AMNH 20135.
A. mongoliensis was a large, possibly omnivorous ungulate that inhabited Mongolia in the Middle of the Eocene.
It has been recovered as a cetartiodactyl in the clade Cetancodontomorpha, close to Whippomorpha as according to Spaulding et al. 2009. The skull of the type specimen AMNH 20135 (restored here),was discovered in the Irdin Manha Formation of Mongolia.
Mandible/dentary modelled based on Daeodon shoshonensis and other images of entelodonts.
Spaulding, M., O’Leary, M. A., & Gatesy, J. (2009). Relationships of Cetacea (Artiodactyla) among mammals: increased taxon sampling alters interpretations of key fossils and character evolution. PloS one, 4(9), e7062. https://doi.org/10.1371/journal.pone.0007062
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