Cetorhinidae is a

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 ...

filter feeding Filter feeders are a sub-group of suspension feeding animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized filtering structure. Some animals that use this method of feedin ...

mackerel sharks The Lamniformes (, from Greek ''lamna'' "fish of prey") are an order of sharks commonly known as mackerel sharks (which may also refer specifically to the family Lamnidae). It includes some of the most familiar species of sharks, such as the gr ...

, whose members are commonly known as basking sharks. It includes the extant

basking shark The basking shark (''Cetorhinus maximus'') is the second-largest living shark and fish, after the whale shark, and one of three plankton-eating shark species, along with the whale shark and megamouth shark. Adults typically reach in length. ...

, ''Cetorhinus'', as well as two extinct

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

, ''

Caucasochasma ''Caucasochasma'' is an extinct genus of basking sharks that lived during the Oligocene. It contains one valid species, ''C. zherikhini''. It is known from a mostly-complete skeleton from the Pshekha Formation of Russia. It has a body plan more s ...

'' and ''

Keasius ''Keasius'' is an extinct genus of basking sharks that lived during the Cenozoic. It contains four valid species, which have been found in North America, Europe, and Antarctica Antarctica () is Earth's southernmost and least-populated c ...

''.

References

{{Taxonbar, from=Q16542604 Cetorhinidae Shark families Taxa named by Theodore Gill