Related Research Articles
Rallus is a genus of wetland birds of the rail family. Sometimes, the genera Lewinia and Gallirallus are included in it. Six of the species are found in the Americas, and the three species found in Eurasia, Africa and Madagascar are very closely related to each other, suggesting they are descended from a single invasion of a New World ancestor.
Chomatodus is a prehistoric cartilaginous fish genus.
Cladodus is an extinct genus of cartilaginous fishes in the family Cladoselachidae. As the name implies, they are a type of cladodont, primitive sharks with teeth designed to snag fish and swallow them whole, instead of sawing off chunks to swallow.
Ctenacanthus is a prehistoric cartilaginous fish genus. Remains have been found in the Bloyd Formation in Arkansas, United States and in South America.
Plocoscyphia is an extinct genus of sea sponges belonging to the family Callodictyonidae.
Cicerocrinus is an extinct genus of crinoids in the family Pisocrinidae. It is known from the Silurian of the United Kingdom. The type locality for C. elegans is Old Bridge near Ludlow.
Cyclammina is a genus of foraminifers in the family Cyclamminidae. Most species are extinct, but there are a few that are extant.
Cribella is a genus of bryozoans in the family Bitectiporidae.
Chariaster is an extinct genus of prehistoric starfish in the family Ophidiasteridae. The species C. elegans is found only at Abou Roach.
Cheilotomona is an extinct genus of prehistoric marine gastropods in the family Goniasmatidae. The species C. elegans is from a Pelsonian/Illyrian marine shale/marl in the Triassic Qingyan Formation of Guizhou Province, China.
Comophyllia is an extinct genus of prehistoric stony corals in the family Latomeandridae. Species are known from the Jurassic and Cretaceous. C. elegans, the type species, is from the Jurassic of France.
Carinthiaphyllum is an extinct genus of corals in the family Geyerophyllidae. The species C. elegans is from the Carboniferous of China.
Clausotrypa is an extinct genus of prehistoric bryozoans in the family Nikiforovellidae. The species C. elegans is from a Wordian (Permian) marine horizon in the Sijiashan Formation of Northeast China.
Cribrospongia is an extinct genus of prehistoric sponges in the family Cribrospongiidae. The species C. elegans is from the Jurassic period and has been found in Germany.
Coscinium is an extinct genus of prehistoric bryozoans in the family Hexagonellidae. The species C. elegans is from the Paleozoic rocks of the western states and territories.
Comptonia is an extinct genus of prehistoric sea stars in the family Goniasteridae. Species are from the Cretaceous of Canada (Alberta) and France. The type species, C. elegans was recovered from France.
Douvillinella is an extinct genus of prehistoric brachiopods in the extinct family Douvillinidae. Species are from the Devonian of the Czech Republic and Germany. C. elegans is found only at Arauz Formation, Lezna Member, Palencia Province, North Spain.
Cubanothyris is an extinct genus of prehistoric brachiopods in the extinct family Angustothyrididae. Species are from the Triassic of China, the Russian Federation and Tajikistan. The type species, C. elegans, is found only at River Kuna.
Coscinopleura is an extinct genus of prehistoric bryozoans in the family Coscinopleuridae. Species are from the Paleocene of Sweden and New Jersey, United States. C. elegans and C. angusta are from the Senonian and Danian of Denmark.
Cystodictya is an extinct genus of prehistoric bryozoans in the extinct family Cystodictyonidae.
References
- ↑ A revision of the genera and great groups of the Echinoidea. PM Duncan – Journal of the Linnean Society of London, Zoology, 1889
