''Koumpiodontosuchus'' is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

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 ...

neosuchian Neosuchia is a clade within Mesoeucrocodylia that includes all modern extant crocodilians and their closest fossil relatives. It is defined as the most inclusive clade containing all crocodylomorphs more closely related to ''Crocodylus niloticus' ...

crocodyliform Crocodyliformes is a clade of Crurotarsi, crurotarsan archosaurs, the group often traditionally referred to as "crocodilians". They are the first members of Crocodylomorpha to possess many of the features that define later relatives. They are the ...

from the

Early Cretaceous The Early Cretaceous (geochronology, geochronological name) or the Lower Cretaceous (chronostratigraphy, chronostratigraphic name) is the earlier or lower of the two major divisions of the Cretaceous. It is usually considered to stretch from 143.1 ...

Wessex Formation The Wessex Formation is a fossil-rich England, English geological formation that dates from the Berriasian to Barremian Stage (stratigraphy), stages of the Early Cretaceous. It forms part of the Wealden Group and underlies the younger Vectis Form ...

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

. The only species is ''K. aprosdokiti'', named in 2014.

Discovery

The first fossilised fragment of a skull was discovered by Diane Trevarthen on a beach near

Sandown Sandown is a seaside resort and civil parishes in England, civil parish on the south-east coast of the Isle of Wight, England. The neighbouring resort of Shanklin and the settlement of Lake, Isle of Wight, Lake are sited just to the south of t ...

on the

Isle of Wight The Isle of Wight (Help:IPA/English, /waɪt/ Help:Pronunciation respelling key, ''WYTE'') is an island off the south coast of England which, together with its surrounding uninhabited islets and Skerry, skerries, is also a ceremonial county. T ...

in March 2011 and it was initially identified as a juvenile of an unknown ''

Goniopholis ''Goniopholis'' (meaning "angled scale") is an extinct genus of goniopholidid crocodyliform that lived in Europe and North America during the Late Jurassic and Early Cretaceous. Like other goniopholidids, it resembled living crocodilians, and pro ...

'' species. Three months later, the second fragment of the skull was found by Austin and Finley Nathan. The two fragments were donated to

Dinosaur Isle Dinosaur Isle is a purpose-built dinosaur museum located in Sandown on the Isle of Wight in southern England. The museum was designed by Isle of Wight architect Rainey Petrie Johns in the shape of a giant pterosaur. It claims to be the first c ...

. Megan Jacobs also discovered an isolated tooth belonging to the same genus that was twice the size of those from the holotype. The species that the fragments belonged to was named ''Koumpiodontosuchus aprosdokiti'', meaning "unexpected button-toothed crocodile". When the fragments were first seen by Steve Sweetman, a palaeontologist with the

University of Portsmouth The University of Portsmouth (UoP) is a public university in Portsmouth, England. Comprising five Faculty (division), faculties, the university offers a wide range of academic disciplines. in 2022, with around 28,280 students enrolled in Unde ...

, he thought that they belonged to the ''

Bernissartia fagesii ''Bernissartia'' ('of Bernissart') is an extinct genus of neosuchian crocodyliform that lived in the Early Cretaceous, around 130 million years ago. At only in length, ''Bernissartia'' is one of the smallest crocodyliforms that ever lived. It ...

'' species because of its small size and button-shaped teeth. Sweetman published a paper on the discovery of the new species in ''

Acta Palaeontologica Polonica ''Acta Palaeontologica Polonica'' is a quarterly peer-reviewed open access scientific journal of paleontology and paleobiology. It was established by Roman Kozłowski in 1956. It is published by the Institute of Paleobiology of the Polish Academ ...

'' and it was named and described in 2014.

References

External links

Paper on the discovery of the species
{{Taxonbar, from=Q16004482 Extinct animals of Europe Early Cretaceous crocodylomorphs of Europe Prehistoric pseudosuchian genera

Discovery

See also

References

External links