''Nothogomphodon'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

therocephalia Therocephalia is an extinct suborder of eutheriodont therapsids (mammals and their close relatives) from the Permian and Triassic. The therocephalians ("beast-heads") are named after their large skulls, which, along with the structure of their te ...

therapsid Therapsida is a major group of eupelycosaurian synapsids that includes mammals, their ancestors and relatives. Many of the traits today seen as unique to mammals had their origin within early therapsids, including limbs that were oriented more ...

s. It is classified within the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Bauriidae Bauriidae is an extinct family of therocephalian therapsids. Bauriids were the latest-surviving group of therocephalians after the Permian–Triassic extinction event, going extinct in the Middle Triassic. They are among the most advanced euther ...

and placed within its own subfamily, Nothogomphodontinae.

Description

''Nothogomphodon'' was unusual among therocephalians for its sectorial dentition, a feature it shared with

cynodont The cynodonts () (clade Cynodontia) are a clade of eutheriodont therapsids that first appeared in the Late Permian (approximately 260 mya), and extensively diversified after the Permian–Triassic extinction event. Cynodonts had a wide variety ...

s and which would have allowed it to shear meat more effectively.

Species

There are two described species of ''Nothogomphodon'': ''N. danilovi'' and ''N. sanjiaoensis''. ''N. danilovi'' is the types species and is known from Russia, while ''N. sanjiaoensis'' is known from China. ''N. sanjiaoensis'' can be distinguished from ''N. danilovi'' by its ovate canine base and distinct gap between the canine and the first postcanine tooth.

References

Bauriids Therocephalia genera Permian synapsids Extinct animals of Russia Fossil taxa described in 1974 Taxa named by Leonid Petrovich Tatarinov Anisian life {{paleo-therapsid-stub