†unranked clade Mesonychia (mesonychian)

Mammalia - Acreodi

Alternative spelling: Mesonychoidea

Parent taxon: Acreodi according to R. Tabuce et al. 2011

See also Carroll 1988, Geisler and McKenna 2007, Gingerich 1982 and Thewissen et al. 2001

Sister taxa: Andrewsarchus, Mondegodon, Oxyclaenidae, Oxyclaenus, Triisodontidae

Subtaxa: Hapalodectidae Mesonychidae Simidectes Wyolestes Wyolestidae

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Ecology: scansorial omnivore

Distribution:

• Oligocene of China (2 collections)

• Eocene of Belgium (1), Canada (2: Northwest Territories, Saskatchewan), China (17), France (9), Kyrgyzstan (1), Mexico (1), Mongolia (4), North Korea (1), Pakistan (2), Spain (2), the United Kingdom (1), United States (142: California, Colorado, New Mexico, Texas, Utah, Wyoming)

• Paleocene of Canada (2: Alberta), China (16), France (2), Mongolia (3), United States (52: California, Colorado, Montana, New Mexico, North Dakota, Wyoming)

Total: 260 collections including 303 occurrences

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