Gomphodontosuchinae is a

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end botanical subfamily names with "-oideae", and zo ...

Triassic The Triassic ( ; sometimes symbolized 🝈) is a geologic period and system which spans 50.5 million years from the end of the Permian Period 251.902 million years ago ( Mya), to the beginning of the Jurassic Period 201.4 Mya. The Triassic is t ...

traversodontid Traversodontidae is an extinct family of herbivorous cynodonts. Traversodonts were primarily Gondwanan, with many species known from Africa and South America. Recently, traversodonts have also been found from Europe and North America. Traversodon ...

cynodont Cynodontia () is a clade of eutheriodont therapsids that first appeared in the Late Permian (approximately 260 Megaannum, mya), and extensively diversified after the Permian–Triassic extinction event. Mammals are cynodonts, as are their extin ...

s. It includes the genera ''

Gomphodontosuchus ''Gomphodontosuchus'' is an extinct genus of cynodonts. It was created to describe the species ''Gomphodontosuchus brasiliensis''. Species ''Gomphodontosuchus brasiliensis'' was collected in 1927 and named in 1928 by Friedrich von Huene in the S ...

'' (the type genus), ''

Exaeretodon ''Exaeretodon'' is an Extinction, extinct genus of fairly large, low-slung traversodontid cynodonts from the southern parts of Pangea. Four species are Knowledge, known, hailing from various geologic formation, formations. ''E. argentinus'' is fr ...

'', '' Santagnathus'', ''

Siriusgnathus ''Siriusgnathus'' is a traversodontid cynodont from the Carnian channel sandstones and mudstones of the Candelária Formation, belonging to the Santa Maria Supersequence of the Paraná Basin in southeastern Brazil.

'', '' Menadon'', '' Proexaeretodon,'' ''

Protuberum ''Protuberum'' is an extinct genus of traversodontid cynodonts known from a single species ''Protuberum cabralense'',The specific name ''cabralense'' is "necessarily emended from the original ''P. cabralensis'' because ''Protuberum'' is a neuter ...

'', ''

Ruberodon ''Ruberodon'' is an extinct genus of traversodontid cynodonts known from the type and only species ''Ruberodon roychowdhurii'' from the Late Triassic of India. ''Ruberodon'' was named in 2015 on the basis of several isolated lower jaws found in t ...

'' and '' Scalenodontoides''. Below is a

cladogram A cladogram (from Greek language, Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an Phylogenetic tree, evolutionary tree because it does not s ...

showing the

phylogenetic In biology, phylogenetics () is the study of the evolutionary history of life using observable characteristics of organisms (or genes), which is known as phylogenetic inference. It infers the relationship among organisms based on empirical dat ...

relationships of gomphodontosuchines from Kammerer ''et al.'' (2008):

References

Traversodontidae Triassic first appearances Triassic extinctions Prehistoric animal subfamilies Therapsid subfamilies {{Paleo-cynodont-stub