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Sister taxa: Carinodens
some grains up to ~2 cm in size
Finder: Anonymous
microcrystalline quartz (SiO2)
22047- Nicely Preserved 3.34 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Aglaspididids Sister taxa: CarinodensNice 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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