Chonetes gracilis internal mould inmatrix frontal

''Chonetes'' is an extinct

genus 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 n ...

brachiopod Brachiopods (), phylum Brachiopoda, are a phylum of trochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear end, ...

s. It ranged from the

Late Ordovician The Ordovician ( ) is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start of the Silurian Period Mya. T ...

to the

Middle Jurassic The Middle Jurassic is the second epoch of the Jurassic Period. It lasted from about 174.1 to 163.5 million years ago. Fossils of land-dwelling animals, such as dinosaurs, from the Middle Jurassic are relatively rare, but geological formations ...

.Chonetes on the Paleobiology Database
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Species

The following species of ''Chonetes'' have been described: * ''C. (Paeckelmannia)'' * ''C. baragwanathi'' * ''C. billingsi'' (

Floresta Formation The Floresta Formation ( es, Formación Floresta, Df) is a geological formation of the Altiplano Cundiboyacense in the Eastern Ranges of the Colombian Andes. The sequence of siltstones, shales, coquinas and sandstone beds dates to the Devonian ...

, Colombia)Floresta Fauna
at

Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was cre ...

.org * ''C. burlingtonensis'' * ''C. chamishkjensis'' * ''C. chaoi'' * ''C. cherokeensis'' * ''C. chesterensis'' * ''C. compressa'' * ''C. comstockii'' (Floresta Fm.) * ''C. concentrica'' * ''C. concentricus'' * ''C. deliciasensis'' * ''C. flemingi'' * ''C. foedus'' * ''C. foshagi'' * ''C. geniculata'' * ''C. glabra'' * ''C. glenparkensis'' * ''C. gregarius'' * ''C. illinoisensis'' * ''C. logani'' * ''C. mesoloba'' * ''C. missouriensis'' * ''C. moelleri'' * ''C. monosensis'' * ''C. multicosta'' * ''C. obtusa'' * ''C. oklahomensis'' * ''C. ornata'' * ''C. pinegensis'' * ''C. planumbona'' * ''C. posturalicus'' * ''C. pygmoideus'' * ''C. rarispina'' * ''C. semiovalis'' * ''C. shumardiana'' * ''C. sichuanensis'' * ''C. sinuatus'' * ''C. squama'' * ''C. stubeli'' (Floresta Fm.) * ''C. suavis'' * ''C. timanica'' * ''C. variolaris'' ; Names brought to synonymy: * ''Chonetes elegans'' L.B. Smyth 1922, a synonym for ''Chonetes speciosus'' - abundant in the shales associated with the main limestone near Ballycastle, Northern Ireland. * ''Chonetes elegans'' L. G. de Koninck, 1847, a synonym for ''

Plicochonetes ''Plicochonetes'' is an extinct genus of brachiopods in the extinct family Rugosochonetidae. ''Chonetes ''Chonetes'' is an extinct genus of brachiopods. It ranged from the Late Ordovician to the Middle Jurassic. Species The following s ...

elegans'' (L.G. de Koninck, 1847)Recherches sur les animaux fossiles. LG De Koninck, 1847, volume I, page 220

Species

References

Further reading