Palaeoloxodon jolensis
| Palaeoloxodon jolensis Temporal range: late Middle Pleistocene-Late Pleistocene | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Proboscidea |
| Family: | Elephantidae |
| Genus: | †Palaeoloxodon |
| Species: | †P. jolensis |
| Binomial name | |
| †Palaeoloxodon jolensis (Pomel, 1895) | |
| Synonyms | |
| |
Palaeoloxodon jolensis (often historically erroneously spelled iolensis) is an extinct species of elephant. The type specimen is located in the National Museum of Natural History in Paris.[1] It is either considered the descendant species or last evolutionary stage of Palaeoloxodon recki in Africa.[2] It is only known from isolated molars. The species is known from remains found across Africa (including Algeria, Morocco, Tunisia, South Africa, and Kenya), which are largely poorly dated to approximately the late Middle Pleistocene to Late Pleistocene, with some authors suggesting an exclusively late Middle Pleistocene age, as the only well dated specimens of the species are over 130,000 years old.[2] Like P. recki, they are thought to have been dedicated grazers, being distinguished from earlier P. recki by having increased hypsodonty (tooth crown height) and enamel folding, with the plates being thicker along the long axis of the tooth.[2] Following the extinction of the species, it was largely replaced by the modern African bush elephant (Loxodonta africana).[2]
The species was often historically spelled iolensis, however, the original intended spelling appears to be jolensis.[2] While originally placed in Elephas, it is now placed in Palaeoloxodon.[3] Some authors continue to use the genus Elephas.[2]
References
[edit]- ^ Todd, Nancy E. (2010). "New Phylogenetic Analysis of the Family Elephantidae Based on Cranial-Dental Morphology". The Anatomical Record. 293 (1): 74–90. doi:10.1002/ar.21010. PMID 19937636. S2CID 20213228.
- ^ a b c d e f Manthi, Fredrick Kyalo; Sanders, William J.; Plavcan, J. Michael; Cerling, Thure E.; Brown, Francis H. (September 2020). "Late Middle Pleistocene Elephants from Natodomeri, Kenya and the Disappearance of Elephas (Proboscidea, Mammalia) in Africa". Journal of Mammalian Evolution. 27 (3): 483–495. doi:10.1007/s10914-019-09474-9. ISSN 1064-7554. S2CID 198190671.
- ^ Lister, Adrian M. (August 2013). "The role of behaviour in adaptive morphological evolution of African proboscideans". Nature. 500 (7462): 331–334. doi:10.1038/nature12275. ISSN 0028-0836.
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