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.
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| Genus: | Calyptaulax Cooper, 1930
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Type species
editBy 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
edit- 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
edit- ^ 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
edit- Calyptaulax at the Paleobiology Database
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