This specimen is 100% guaranteed to be a stony meteorite of the general class "chondrite" and almost certainly of the class "ordinary chondrite" and based on magnetic response is very high an "H" chondrite signifying high metal content with the other alternatives being H signifying high metal to LL signifying very low relative metal content
Its flat morphology indicates without doubt that it is a foot claw
Van Roy et al
This trilobite has been prepared as free-standing
30314 - Beautiful 1.68 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Canadian Trilobites This specimen is 100% guaranteedNice 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,