Mammalia - Artiodactyla - Merycoidodontidae
Full reference: C. B. Schultz and C. H. Falkenbach. 1941. Ticholeptinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 79(1):1-105
Parent taxon: Merycoidodontidae according to M. S. Stevens et al. 2023
See also Lander and Lindsay 2011, Morgan et al. 2009, Schultz and Falkenbach 1941, Stevens and Stevens 1996 and Stevens and Stevens 2007
Sister taxa: Aclistomycterinae, Brachycrurinae, Eporeodontinae, Leptaucheniinae, Merychyinae, Merychyus pariogonus, Merycochoerinae, Merycoidodontinae, Miniochoerinae, Oreonetinae, Phenacocoelinae, Promerycochoerinae, Ustatochoerinae, Diplotremus
Subtaxa: Paroreodon Phenacocoelus Ticholeptus
Type: Ticholeptus
Ecology: ground dwelling herbivore
Distribution:
• Miocene of Canada (5: Saskatchewan collections), United States (45: California, Colorado, Florida, Idaho, Montana, Nebraska, Nevada, Oregon, Texas)
• Harrisonian of United States (6: Florida, Montana, Nebraska, Wyoming)
• Arikareean of United States (10: Oregon)
• Oligocene of United States (4: Nebraska, Oregon)
Total: 70 collections including 71 occurrences