07606 - Beautiful 3.11 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Shark vertebrae skull and jaw

skull and jaw

• Cretaceous of Bolivia

Top rare mosasaurus species

Only the matrix has fracture that has been glued and filled

85 Inch / 22

07606 - Beautiful 3.11 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Shark vertebrae skull and jawNice 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,