''Adnetoscyllium'' 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 ...

bamboo shark The Hemiscylliidae are a family (biology), family of sharks in the order Orectolobiformes, commonly known as longtail carpet sharks and sometimes as bamboo sharks. They are found in shallow waters of the tropical Indo-Pacific. They are relativ ...

from the

Cretaceous period The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 77.1 million years, it is the ninth and longest geologi ...

. It is currently monotypic, containing only the species ''A. angloparisensis.'' The genus is named for prominent paleoichthyologist, Dr. Sylvain Adnet. The specific epithet refers to the range which is thus far restricted to the Anglo-Paris Basin of

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

and the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

. It has a range starting in the

Santonian The Santonian is an age in the geologic timescale or a chronostratigraphic stage. It is a subdivision of the Late Cretaceous Epoch or Upper Cretaceous Series. It spans the time between 86.3 ± 0.7 mya ( million years ago) and 83.6 ± 0.7 m ...

and ending in the

Campanian The Campanian is the fifth of six ages of the Late Cretaceous epoch on the geologic timescale of the International Commission on Stratigraphy (ICS). In chronostratigraphy, it is the fifth of six stages in the Upper Cretaceous Series. Campa ...

though some fragmentary older teeth likely from this species are known. It can be told apart from most other related genera via its lack of lateral cusplets.Seltser, V. B., Pervushov, E. M., & Kalyakin, E. A. (2020). ABOUT SANTONIAN DEPOSITS OF THE VOLSKY CHALK PITS.

References

Cretaceous sharks Hemiscylliidae Prehistoric shark genera Monotypic prehistoric cartilaginous fish genera {{paleo-shark-stub