22047- Nicely Preserved 3.34 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Aglaspididids Accessory troilite and schreiberstite

Accessory troilite and schreiberstite

thus having the same chemical composition as the orthorhombic mineral zoisite

Finder: Anonymous

Paradoxides oelandicus

which is preserved in full

22047- Nicely Preserved 3.34 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Aglaspididids Accessory troilite and schreiberstiteNice 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,