Mammalia - Artiodactyla - Gelocidae
Synonym: Bachitheriidae Janis 1987
Parent taxon: Traguloidea according to I. A. Vislobokova 2001
See also Carroll 1988, Hulbert and Whitmore 2006, Matthew 1908, Vianey-Liaud et al. 2014, Webb 2008 and Webb and Taylor 1980
Sister taxon: Lophiomerycidae
Subtaxa: Bachitherium Gelocus Gobiomeryx Paragelocus Phaneromeryx Pseudoceratinae Pseudogelocus Pseudomeryx
Ecology: ground dwelling grazer-browser
Distribution:
• Hemphillian of Honduras (1 collection), United States (12: Alabama, Florida, Nebraska, Texas)
• Miocene of United States (23: Florida, Kansas, Nebraska, New Mexico, Texas)
• Oligocene of the Czech Republic (2), France (21), Germany (4), Mongolia (19), Pakistan (1)
• Eocene to Oligocene of Turkey (1)
• Eocene of Bulgaria (1), China (1), Germany (1), Serbia and Montenegro (1), Switzerland (1)
Total: 89 collections including 101 occurrences