08315 - Beautiful 1.77 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Native copper Its age dates from the

Its age dates from the Eocene

Size (The biggest):   1

it has some glued fractures

benmoulai reveals an additional dorsal set of flaps to which setal blades

Type species: Mosasaurus hoffmanni Mantell

08315 - Beautiful 1.77 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Native copper Its age dates from theNice 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,