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Crepicephalus 
Summary
Crepicephalus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the Dresbachian faunal stage of the late Cambrian Period.[1]
| Crepicephalus Temporal range: Dresbachian[1]
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| Superfamily: | Crepicephalacea
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| Family: | Crepicephalidae
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| Genus: | Crepicephalus Owen, 1852
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Crepiceaphlus, Crepicepalus, Crepicocephalus, Sneedvillia | |
Reassigned species edit
Some species, previously described as Crepicephalus have since been moved to other genera.[2][3]
- C. angusta = Kochaspis angusta
- C. convexus = Crepicephalina convexa
- C. liliana = Kochaspis liliana
- C. nitidus = Dunderbergia nitida
- C. quadrans = Ehmaniella quadrans
- C. unca = Uncaspis unca
References edit
- ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2006-09-05. Retrieved 2008-01-12.
- ^ Moore, R.C. (1959). Arthropoda I - Arthropoda General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha. Treatise on Invertebrate Paleontology. Vol. Part O. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. pp. O249–O250. ISBN 0-8137-3015-5.
- ^ Palmer, Allison R. (1954). "An Appraisal of The Great Basin Trilobites described before 1900". Geological Survey Professional Paper. Vol. 264-D.