30231 - Top Beautiful 3.19 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Canadian Trilobites Cape D'Estaing

Cape D'Estaing

Beautiful collection of 19 Prognathodon anceps teeth

Knoxisporites

• Chesterian of United States (1: Oklahoma)

30231 - Top Beautiful 3.19 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Canadian Trilobites Cape D'EstaingNice and well prepared specimen. 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, Cheirurinae, Cheirurus,