''Trochocyathus'' is a

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 ...

of corals in 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 ...

Caryophylliidae The Caryophylliidae are a family (biology), family of stony corals found from the tropics to temperate seas, and from shallow to very deep water. Genera *''Africana (coral), Africana'' Ocana & Brito, 2015 *''Anomocora'' Studer, 1878 *''Aste ...

. Living species are found in waters near

Hawai'i Hawaii ( ; ) is an island state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two non-contiguous U.S. states (along with Alaska), it is the only state not on the North American mainland, th ...

at depths of . Fossil species are found as far back as the latest

Paleocene The Paleocene ( ), or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), ...

in the Dilwyn Formation of Australia, in the

late Cretaceous The Late Cretaceous (100.5–66 Ma) is the more recent of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''cre ...

in the Woodbury Formation of

New Jersey New Jersey is a U.S. state, state located in both the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. Located at the geographic hub of the urban area, heavily urbanized Northeas ...

, and in

Suffolk Suffolk ( ) is a ceremonial county in the East of England and East Anglia. It is bordered by Norfolk to the north, the North Sea to the east, Essex to the south, and Cambridgeshire to the west. Ipswich is the largest settlement and the county ...

. ''Platycyathus'' is sometimes regarded as a subgenus within ''Trochocyathus.''

Species

* '' Trochocyathus aithoseptatus'' Cairns, 1984 * '' Trochocyathus anglicus'' Duncan, 1872 * '' Trochocyathus balanophylloides'' Bolsche, 1870 * '' Trochocyathus burchae'' Cairns, 1984 * '' Trochocyathus gardineri'' Vaughan, 1907 * '' Trochocyathus mauiensis'' Vaughan, 1907 * '' Trochocyathus oahensis'' Vaughan, 1907 * '' Trochocyathus patelliformis'' Cairns, 1999 * '' Trochocyathus rhombocolumna'' Alcock, 1902 * ''

Trochocyathus wilkinsoni ''Trochocyathus'' is a genus of corals in the family Caryophylliidae. Living species are found in waters near Hawai'i at depths of . Fossil species are found as far back as the latest Paleocene in the Dilwyn Formation of Australia, in the late ...

'' Dennant, 1904

References

Caryophylliidae Scleractinia genera {{scleractinia-stub