08315 - Beautiful 1.77 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Native copper unknown place in the Occidental

unknown place in the Occidental Sahara Desert

Type species: Mosasaurus hoffmanni Mantell

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

Size (The biggest):   1

08315 - Beautiful 1.77 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Native copper unknown place in the OccidentalNice 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,