Calyptaulax

Calyptaulax
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Phacopida
Family:	Pterygometopidae
Genus:	Calyptaulax; Cooper, 1930

Calyptaulax Cooper, 1930,^[1] is a genus of trilobites in the order Phacopida that existed during the middle and upper Ordovician in what is now the U.S. states of New York, Oklahoma, Illinois, Missouri, Virginia, Vermont, Nevada, Iowa, Wisconsin, Kentucky, and Iowa, as well as the Canadian provinces of Ontario, Newfoundland and Labrador, Quebec, and the territory of Nunavut. Other countries Calyptaulax fossils are known from include Ireland, Norway, Russia, and the United Kingdom.

Type species[]

By original designation; Calyptaulax glabella Cooper, 1930: pp. 388 - 389, pl. 5, figs. 9 - 11. From the Matapedia Group (Ashgill), Perce, Quebec, Canada.^[2]

Other species[]

Calyptaulax annulata Raymond, 1905
Calyptaulax callicephala Hall, 1847
Calyptaulax callirachis Cooper, 1953
Calyptaulax cornwalli Ross, Jr. and Barnes 1967
Calyptaulax holstonensis Raymond 1925
Calyptaulax incepta Whittington 1965
Calyptaulax norvegicus Stormer 1945
Calyptaulax sillimani Roy 1941
Calyptaulax strasburgensis Ulrich and Delo, 1940

References[]

^ Cooper, G. A. 1930. Part II. New species from the Upper Ordovician of Perce. In Schuchert, C. & Cooper, G. A., Upper Ordovician and Lower Devonian stratigraphy and palaeontology of Perce, Quebec. Am. J. Sci., New Haven, (5) 20: 265 - 288, 365 - 392, pls 1 - 5.
^ Available Generic Names for Trilobites P.A. Jell and J.M. Adrain.

External links[]

Calyptaulax at the Paleobiology Database

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[1] Cooper, G. A. 1930. Part II. New species from the Upper Ordovician of Perce. In Schuchert, C. & Cooper, G. A., Upper Ordovician and Lower Devonian stratigraphy and palaeontology of Perce, Quebec. Am. J. Sci., New Haven, (5) 20: 265 - 288, 365 - 392, pls 1 - 5.

[2] Available Generic Names for Trilobites P.A. Jell and J.M. Adrain.

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