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which is preserved in full
White 1926 and Woodward 1889
Accessory troilite and schreiberstite
thus having the same chemical composition as the orthorhombic mineral zoisite
22047- Nicely Preserved 3.34 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Aglaspididids which is preserved in fullNice 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,
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