21563 - Gorgeous 3.13 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Cephalopods label their crocodile teeth as

label their crocodile teeth as belonging to the huge crocodile of the Sarcosuchus sp genus --however

where the organic matter has difficulty decomposing

Country: Argentina

updated 14 Jan 2012)

graceful neck and a whiplike tail

21563 - Gorgeous 3.13 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Cephalopods label their crocodile teeth asNice 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,