Pediolophodon
| Pediolophodon Temporal range:
| |
|---|---|
| Fossilized teeth of Pediolophodon campester | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Proboscidea |
| Clade: | Elephantida |
| Genus: | †Pediolophodon Lambert, 2007 |
| Type species | |
| Tetralophodon campester Cope, 1877
| |
| Other species | |
| |
Pediolophodon is an extinct elephantidan proboscidean genus from the middle to late Miocene of North America (Nebraska and Texas). Two species are recognized, P. campester and P. fricki. Both were originally assigned to the Old World genus Tetralophodon, but discoveries in the Kepler Quarry, Nebraska, showed these taxa to be generically distinct.[1][2][3][4] W. David Lambert in 2007 suggested that Pediolophodon was a member of the family Gomphotheriidae and had evolved from a Gomphotherium, with its similarities to Tetralophodon a result of evolutionary convergence.[1] A 2025 study alternately suggested that Pediolophodon was a member of the family Amebelodontidae, and that the type species. P. campester actually represented a species of Torynobelodon, while "P." fricki represented a species of another amebelodontid, Amebelodon.[5]
References
- ^ a b Lambert, W. David (2007-09-12). "New tetralophodont gomphothere material from Nebraska and its implications for the status of North American Tetralophodon". Journal of Vertebrate Paleontology. 27 (3): 676–682. doi:10.1671/0272-4634(2007)27[676:NTGMFN]2.0.CO;2. ISSN 0272-4634.
- ^ E. D. Cope. 1877. Descriptions of New Vertebrata from the Upper Tertiary Formations of the West. Proceedings of the American Philosophical Society 17:219-231
- ^ H. F. Osborn. 1936. The Proboscidea 1 & 2:1-1675.
- ^ Shoshani, J.; Ferretti, M. P.; Lister, A. M.; Agenbroad, L. D.; Saegusa, H.; Mol, D.; Takahashi, K. (2007). "Relationships within the Elephantinae using hyoid characters". Quaternary International. 169–170: 174–185. Bibcode:2007QuInt.169..174S. doi:10.1016/j.quaint.2007.02.003.
- ^ Wang, Shi-Qi; Li, Chunxiao; Zhang, Xiaoxiao; Quan, Yongtao (2025-09-01). "A new genus of amebelodonts from the Miocene of China and a re-examination of the phylogeny of the Amebelodontidae". Zoological Journal of the Linnean Society. 205 (1). doi:10.1093/zoolinnean/zlaf116. ISSN 0024-4082.