Helohyus Marsh 1872 (even-toed ungulate)

Mammalia - Artiodactyla - Helohyidae

Synonyms: Lophiohyus Sinclair 1914, Thinotherium Marsh 1872, Thinotherium Cope 1870

Full reference: O. C. Marsh. 1872. Preliminary description of new Tertiary mammals. Part II. American Journal of Science 4(21):202-224

Parent taxon: Helohyidae according to S. E. Foss 2007

See also Carroll 1988, Coombs and Coombs 1977, Cope 1870, Ferrusquía-Villafranca 2006, Gazin 1955, Hay 1902, Marsh 1877, McKenna and Bell 1997, Sinclair 1914, Spaulding et al. 2009, Stucky 1998 and Walsh 2000

Sister taxa: Achaenodon, Archaenodon, Discritochoerus, Dyscritochoerus, Gobiohyus, Heliosus, Ithygrammodon, Lophiohys, Pakkokuhyus, Parahyus, Progenitohyus

Subtaxa: Helohyus lentus Helohyus milleri Helohyus plicodon Ithygrammodon cameloides Thinotherium annulatum

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Type: Helohyus plicodon

Ecology: ground dwelling herbivore-omnivore

Distribution:

• Eocene of China (1 collection), United States (35: Texas, Wyoming)

Total: 36 collections including 38 occurrences

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Specimen images are retrieved through the ePANDDA API.


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