Crepicephalus

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]
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

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