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 nom ...
of
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, w ...
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.
...
The following species of ''Chonetes'' have been described:
* ''C. (Paeckelmannia)''
* ''C. baragwanathi''
* ''C. billingsi'' (
Floresta Formation
The Floresta Formation ( es, FormaciĆ³n 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 Devonia ...
, Colombia)Floresta Fauna at Fossilworks.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 elegans'' (L.G. de Koninck, 1847)Recherches sur les animaux fossiles. LG De Koninck, 1847, volume I, page 220