Amynodontidae
Template:Short description Template:Use dmy dates Template:Automatic taxobox
Amynodontidae ("defensive tooth")[1] is a family of extinct perissodactyls related to true rhinoceroses. They are commonly portrayed as semiaquatic hippo-like rhinos[2][3] but this description only fits members of the Metamynodontini; other groups of amynodonts like the cadurcodontines had more typical ungulate proportions and convergently evolved a tapir-like proboscis.
The Greek name of the family describes their tusks, derived from enlarged canine teeth. Odd-toed ungulates are herbivores, so these tusks would have been used either to deter or defend against predators (as suggested by the name) or perhaps in fights among males.[4]
Their fossils have been found in North America, and Eurasia ranging in age from the Middle Eocene to the Early Oligocene, with a single genus (Cadurcotherium) surviving into the Late Oligocene in South Asia (Pakistan).[5]
Taxonomy
†Amynodontidae
- Subfamily Amynodontinae
- Tribe Cadurcodontini
- Genus Cadurcodon[6]
- Genus Lushiamynodon[6]
- Genus Sharamynodon[6]
- Tribe Metamynodontini
- Genus Gigantamynodon[6]
- Genus Metamynodon
- Genus Paramynodon[6]
- Genus Zaisanamynodon[6]
- Tribe incertae sedis
- Tribe Cadurcodontini
- Subfamily incertae sedis
- Genus Amynodontopsis[6]
- Genus Armania[7]
- Genus Cadurcotherium[6]
- Genus Caenolophus[8]
- Genus Hypsamynodon[6]
- Genus Megalamynodon[6]
- Genus Penetrigonias[9]
- Genus Procadurcodon[6]
- Genus Rostriamynodon[10]
- Genus Teilhardia[10]
References
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