Crepicephalus

Crepicephalus; Temporal range: Dresbachian
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Trilobita
Order:	Ptychopariida
Superfamily:	Crepicephalacea
Family:	Crepicephalidae
Genus:	Crepicephalus; Owen, 1852
Species
	C. iowensis (Owen, 1952) (type) = Dikelocephalus iowensis ;
Synonyms
	Crepiceaphlus, Crepicepalus, Crepicocephalus, Sneedvillia

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]

Reassigned species

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

↑ ^1.0 ^1.1 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. https://web.archive.org/web/20060905162524/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class. Retrieved 2008-01-12.
↑ Moore, R.C. (1959). Arthropoda I - Arthropoda General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha. Treatise on Invertebrate Paleontology. 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. 264-D. https://books.google.com/books?id=n-kqAQAAIAAJ&pg=RA3-PA73.

Wikidata ☰ Q5184237 entry

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[Sepkoski-1] 1.0 ^1.1 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. https://web.archive.org/web/20060905162524/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class. Retrieved 2008-01-12.

[Treatise-2] Moore, R.C. (1959). Arthropoda I - Arthropoda General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha. Treatise on Invertebrate Paleontology. Part O.. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. pp. O249–O250. ISBN 0-8137-3015-5.

[3] Palmer, Allison R. (1954). "An Appraisal of The Great Basin Trilobites described before 1900". Geological Survey Professional Paper. 264-D. https://books.google.com/books?id=n-kqAQAAIAAJ&pg=RA3-PA73.

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Crepicephalus

Topic: Biology

Reassigned species

References