''Gonioglyptus'' is an extinct

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

trematosauria Trematosauria is one of two major groups of temnospondyl amphibians that survived the Permian-Triassic extinction event, the other (according to Yates and Warren 2000) being the Capitosauria. The trematosaurs were a diverse and important group t ...

temnospondyl Temnospondyli (from Greek language, Greek τέμνειν, ''temnein'' 'to cut' and σπόνδυλος, ''spondylos'' 'vertebra') or temnospondyls is a diverse ancient order (biology), order of small to giant tetrapods—often considered Labyrinth ...

within the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Trematosauridae Trematosauridae is a family of large marine temnospondyls with several included genera. Appearance and lifestyle Trematosaurids are one of the most derived families of the Trematosauroidea superfamily in that they are the only family that hav ...

. It is known from the

Early Triassic The Early Triassic is the first of three epochs of the Triassic Period of the geologic timescale. It spans the time between 251.9 Ma and Ma (million years ago). Rocks from this epoch are collectively known as the Lower Triassic Series, which ...

Panchet Formation The Panchet Formation is an Early Triassic geological formation from the Damodar Valley of India. It is among the few geological formations outside of Russia, South Africa, and China that documents the recovery of global ecosystems immediately ...

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

. It contains two species: ''G. longirostris'' (sometimes classified in the genus ''Panchetosaurus'') and ''G. fragilis'' (previously classified in the genus ''Glyptognathus''). The species ''G. kokeni'' from Pakistan has since been reclassified into ''

Aphaneramma ''Aphaneramma'' is an extinct genus of marine temnospondyl amphibian. It lived during the Early Triassic epoch, approximately 252–247 Ma ago, and had a global distribution. Fossils have been found in the Mianwali Formation of Pakistan, Ma ...

''.

References

Trematosauria Triassic temnospondyls of Asia Fossil taxa described in 1865 Taxa named by Thomas Henry Huxley Fossils of India {{Temnospondyli-stub