Crepicephalus Explained

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.^{[1] [2]}

• C. angusta = Kochaspis angusta
• C. convexus = Crepicephalina convexa
• C. liliana = Kochaspis liliana
• C. nitidus = Dunderbergia nitida
• C. quadrans = Ehmaniella quadrans
• C. unca = Uncaspis unca

Notes and References

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