08315 - Beautiful 1.77 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Native copper • Desmoinesian of United States

• Desmoinesian of United States (2: Indiana

Country: Algeria (Northwest Africa)

it has some glued fractures

It is displayed as it was discovered

Impressive Prognathodon tooth in its natural matrix

08315 - Beautiful 1.77 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Native copper • Desmoinesian of United StatesNice and well prepared specimen. It has tiny glued fractures. Crotalocephalina sp, Pibyl and Vanek 1964 (trilobite) Trilobita Phacopida Cheiruridae Parent taxon: Cheiruridae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Acanthoparyphinae, Anasobella, Ancyginaspis, Arcticeraurinella, Areia, Areiaspis, Borealaspis, Bornholmaspis, Ceraurinium, Ceraurinus, Cerauroides, Cerauromeros, Cerauropeltis, Ceraurus, Chacomurus,