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.

Reassigned species
Some species, previously described as Crepicephalus have since been moved to other genera.
 * C. angusta = Kochaspis angusta
 * C. convexus = Crepicephalina convexa
 * C. liliana = Kochaspis liliana
 * C. nitidus = Dunderbergia nitida
 * C. quadrans = Ehmaniella quadrans
 * C. unca = Uncaspis unca