Calyptaulax (Cooper, 1930) 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.

Calyptaulax

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

External links

Calyptaulax at the Paleobiology Database

Pterygometopidae

Phacopida genera

Fossil taxa described in 1930

Ordovician trilobites of North America

Fossils of Canada

Paleontology in Quebec

Paleozoic life of Ontario

Verulam Formation

Paleozoic life of Newfoundland and Labrador

Paleozoic life of the Northwest Territories

Paleozoic life of Nunavut

Paleozoic life of Quebec

Calyptaulax