Mammalia - Artiodactyla - Leptomerycidae
Alternative spelling: Leptomerycinae
Full reference: K. A. Zittel. 1893. Handbuch der Paläontologie, Abteilung I. Paläeozoologie. Band IV, Vertebrata (Mammalia). R. Oldenbourg 1-799
Parent taxon: Pecora according to M. Spaulding et al. 2009
See also Carroll 1988, Ferrusquia-Villafranca 1969, Gazin 1955, Hay 1902, Korth et al. 2022, Lofgren et al. 2020, Matthew 1908, Scott 1940 and Vislobokova 2001
Sister taxa: Antilocapridae, Babameryx, Bovidae, Bugtimeryx, Camelopardalidae, Cervidae, Cervoidea, Dremotherium, Giraffidae, Moschidae, Namibiomeryx, Orangemeryx, Prodremotheridae, Propalaeoryx, Sperrgebietomeryx, Walangania
Subtaxa: Hendryomeryx Leptomeryx Pipestoneia Pronodens Pseudoparablastomeryx
Distribution:
• Miocene of Canada (1: Saskatchewan collection), Mexico (1), United States (21: California, Louisiana, Nebraska, New Mexico, Texas)
• Harrisonian of United States (1: Nebraska)
• Arikareean of United States (8: Montana, Oregon, South Dakota)
• Oligocene of Canada (5: Saskatchewan), United States (59: Colorado, Montana, Nebraska, North Dakota, South Dakota, Wyoming)
• Eocene to Oligocene of United States (4: Nebraska, Utah, Wyoming)
• Eocene of Canada (11: British Columbia, Saskatchewan), Mexico (1), United States (75: California, Colorado, Montana, Nebraska, North Dakota, South Dakota, Texas, Utah, Wyoming)
Total: 187 collections including 221 occurrences