Pristerodon
Pristerodon Temporal range: Late Permian
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Skull at the Museum für Naturkunde, Berlin | |
Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Synapsida |
Clade: | Therapsida |
Suborder: | †Anomodontia |
Clade: | †Dicynodontia |
Family: | †Eumantellidae |
Genus: | †Pristerodon Huxley, 1868 |
Type species | |
†Pristerodon mackayi Huxley, 1868
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Other species | |
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Synonyms | |
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Pristerodon is an extinct genus of dicynodont therapsid from the Late Permian of South Africa, Zambia and India.
Paleobiology
Brain and senses
Pristerodon were among the earliest land animals able to hear airborne sound as opposed to hearing via ground vibrations. A South African specimen studied with neutron tomography[1] has shown evidence of an eardrum on its lower jaw with the implication that it was hearing impaired during the act of chewing. The specimen had a 3mm cavity for cochlea which transformed sound frequency ranges into nerve impulses sent on to the brain.
Ecology
Pristerodon has been found in the Kundaram Formation of India, the Madumabisa Mudstone Formation of Zambia, and the Teekloof Formation of South Africa.
See also
References
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
- ^ Laaß, Michael (26 June 2015). "The origins of the cochlea and impedance matching hearing in synapsids" (PDF). Acta Palaeontologica Polonica. 60. doi:10.4202/app.00140.2014. Retrieved 14 July 2015.
External links
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- Dicynodonts
- Lopingian synapsids of Africa
- Fossils of South Africa
- Fossils of Zambia
- Lopingian synapsids of Asia
- Fossils of India
- Fossil taxa described in 1868
- Taxa named by Thomas Henry Huxley
- Anomodont genera
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