Arctognathus 2sp.jpg
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''Arctognathus'' is an extinct
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of gorgonopsids that throve during the
Late Permian Late may refer to: * LATE, an acronym which could stand for: ** Limbic-predominant age-related TDP-43 encephalopathy, a proposed form of dementia ** Local-authority trading enterprise, a New Zealand business law ** Local average treatment effect, ...
in the Karoo basin of what is now
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. It is bounded to the south by of coastline that stretch along the Atlantic Ocean, South Atlantic and Indian Oceans; to the ...
.


Discovery

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''.


Description

It was a small gorgonopsid with a total length estimated at 1.1 m and an 18 cm skull.


Classification

Below is a
cladogram A cladogram (from Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an evolutionary tree because it does not show how ancestors are related to ...
from the phylogenetic analysis of Gebauer (2007):


See also

*
List of therapsids This list of therapsids is an attempt to create a comprehensive listing of all genera that have ever been included in the Therapsida excluding mammals and purely vernacular terms. The list includes all commonly accepted genera, but also genera tha ...


References


Bibliography

* * Gorgonopsia Prehistoric therapsid genera Lopingian synapsids of Africa Fossil taxa described in 1911 Taxa named by Robert Broom Lopingian genus first appearances Lopingian genus extinctions {{paleo-therapsid-stub