Clade Cetancodontamorpha Spaulding et al. 2009 (even-toed ungulate)

Mammalia - Artiodactyla

Full reference: M. Spaulding, M. A. O'Leary, and J. Gatesy. 2009. Relationships of Cetacea (Artiodactyla) among mammals: Increased taxon sampling alters interpretations of key fossils and character evolution. PloS One 4(9):e7062

Parent taxon: Artiodactyla according to M. Spaulding et al. 2009

Sister taxa: Achaenodontidae, Ancodonta, Antiacodontidae, Antiacodontinae, Caenotheriidae, Choeropotamoidea, Climacoceratidae, Diacodexeidae, Dichobunoidea, Eolantianus, Eurytheriidae, Haplobunodontidae, Helohyinae, Hsanotherium, Hyodonta, Leptochoerinae, Merycoidodontoidea, Myanmarius, Neoselenodontia, Nonruminantia, Nothokemadidae, Raphenacodus, Ruminantiamorpha, Suiformes, Suoidea, Tragulohyus, Tylopoda, Whippomorpha, Cetruminantia, Entelodontoidea, Cetacea, Cetancodonta

Subtaxa: Achaenodon Entelodontidae

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Ecology: ground dwelling grazer-browser

Distribution:

• Miocene of Canada (2: Saskatchewan collections), United States (10: Florida, New Jersey, Oregon, South Carolina, South Dakota, Texas, Wyoming)

• Harrisonian of United States (7: California, Florida, Nebraska)

• Arikareean of United States (16: Montana, Nebraska, Oregon, South Dakota, Wyoming)

• Oligocene to Miocene of China (1), United States (1: Alabama)

• Oligocene of Canada (2: Saskatchewan), China (3), the Czech Republic (1), France (6), Georgia (1), Germany (2), Kazakhstan (1), Pakistan (1), United States (33: California, Colorado, Nebraska, North Dakota, Oregon, South Dakota, Texas, Wyoming)

• Eocene of Canada (6: Saskatchewan), China (9), Japan (1), Mongolia (4), United States (41: California, Colorado, Georgia, Nebraska, New Mexico, Oregon, South Dakota, Texas, Utah, Wyoming)

Total: 148 collections including 161 occurrences

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