Leptomeryx Leidy 1853 (ruminant)

Mammalia - Ungulata - Leptomerycidae

Synonym: Trimerodus Cope 1873

Full reference: J. Leidy. 1853. [On leave granted, Dr. Leidy made the following coinmnunication]. Proceedings of the Academy of Natural Sciences of Philadelphia 6:392-394

Parent taxon: Leptomerycidae according to I. A. Vislobokova 2001

See also Alroy 2002, Carroll 1988, Cook 1934, Cope 1891, Ferrusquia-Villafranca 1969, Hay 1902, Johnson 1966, Lambe 1908, Matthew 1908 and Scott 1940

Sister taxa: Hendryomeryx, Pipestoneia, Pronodens, Pseudoparablastomeryx

Subtaxa: Leptomeryx agatensis Leptomeryx antecedens Leptomeryx blacki Leptomeryx elissae Leptomeryx esulcatus Leptomeryx evansi Leptomeryx exilis Leptomeryx mammifer Leptomeryx obliquidens Leptomeryx semicinctus Leptomeryx significans Leptomeryx speciosus Leptomeryx yoderi

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Type: Leptomeryx evansi

Ecology: ground dwelling frugivore

Distribution:

• Arikareean of United States (1: South Dakota collection)

• Oligocene of Canada (5: Saskatchewan), United States (42: Colorado, Montana, Nebraska, North Dakota, South Dakota, Wyoming)

• Eocene to Oligocene of United States (2: Utah, Wyoming)

• Eocene of Canada (10: British Columbia, Saskatchewan), Mexico (1), United States (48: California, Colorado, Montana, Nebraska, North Dakota, Wyoming)

Total: 109 collections including 136 occurrences

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