30230 - Beautiful 2.86 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Megalodon The leading side (front) and

The leading side (front) and sides often have flow-lines in the surface which indicates the direction the material was being ablated

The term is also used for a sedimentary carbonate rock composed mostly of the mineral dolomite

It is not common to find such large vertebrae

It has a large

Museum grade

30230 - Beautiful 2.86 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Megalodon The leading side (front) andNice 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,