Arctognathus Temporal range: Late Permian[1]
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Life restoration of A. curvimola | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Synapsida |
Clade: | Therapsida |
Clade: | †Gorgonopsia |
Family: | †Gorgonopsidae |
Genus: | †Arctognathus Broom, 1911 |
Species | |
Synonyms | |
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Arctognathus is an extinct genus of gorgonopsids that throve during the Late Permian in the Karoo basin of what is now South Africa.[2]
Discovery
![](Https://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Arctognathus_curvimola_old.jpg/220px-Arctognathus_curvimola_old.jpg)
A carnivore, like all gorgonopsid, Arctognathus was given its name ("Bear jaw") in reference to its short and rounded snout. There is only one recognized species, A. curvimola.[3]
Description
It was a small gorgonopsid with a total length estimated at 1.1 m and an 18 cm skull.[4]
Classification
![](Https://upload.wikimedia.org/wikipedia/commons/thumb/6/6d/Arctognathus_BW.jpg/220px-Arctognathus_BW.jpg)
![](Https://upload.wikimedia.org/wikipedia/commons/thumb/d/de/Arctognathus_2sp.jpg/220px-Arctognathus_2sp.jpg)
Below is a cladogram from the phylogenetic analysis of Gebauer (2007):[5]
See also
References
- ^ "Arctognathus". paleobiodb.org. Retrieved 2021-10-10.
- ^ Sidor 2003, p. 606
- ^ Christian F. Kammerer (2014) Cranial osteology of Arctognathus curvimola, a short-snouted gorgonopsian from the Late Permian of South Africa. Papers in Palaeontology (advance online publication) DOI: 10.1002/spp2.1002 http://onlinelibrary.wiley.com/doi/10.1002/spp2.1002/abstract
- ^ "Arctognathus - Palaeocritti - a guide to prehistoric animals". Archived from the original on April 3, 2016.
- ^ Gebauer, E.V.I. (2007). Phylogeny and evolution of the Gorgonopsia with a special reference to the skull and skeleton of GPIT/RE/7113 ('Aelurognathus?' parringtoni) (PDF) (Ph.D. thesis). Tübingen: Eberhard-Karls Universität Tübingen. pp. 1–316.
Bibliography
- Kemp, T.S. (September 4, 1969). "On the Functional Morphology of the Gorgonopsid Skull" (PDF). Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 256 (801): 1–83. Bibcode:1969RSPTB.256....1K. doi:10.1098/rstb.1969.0036. Archived from the original (PDF) on 19 October 2012. Retrieved 1 October 2011.
- Sidor, Christian A. (2003). "Evolutionary trends and the origin of the mammalian lower jaw" (PDF). Paleobiology. 29 (4): 605–640. doi:10.1666/0094-8373(2003)029<0605:etatoo>2.0.co;2. Archived from the original (PDF) on 3 March 2016. Retrieved 1 October 2011.