Calyptaulax

Calyptaulax
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	† Trilobita
Order:	† Phacopida
Family:	† Pterygometopidae
Genus:	† Calyptaulax Cooper, 1930 [1]

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

Other species

• Calyptaulax annulataRaymond, 1905
• Calyptaulax callicephalaHall, 1847
• Calyptaulax callirachisCooper, 1953
• Calyptaulax cornwalliRoss, Jr. and Barnes, 1967
• Calyptaulax holstonensisRaymond, 1925
• Calyptaulax inceptaWhittington, 1965
• Calyptaulax norvegicusStormer, 1945
• Calyptaulax sillimani Roy, 1941
• Calyptaulax strasburgensisUlrich and Delo, 1940

References

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.

External links

• Calyptaulax at the Paleobiology Database