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Waisfeldaspis
†Genevievella sp
are oriented posteriorly since their origin and the lingual margin is curved
composed by augite
the direction of elongation being perpendicular to the single plane of symmetry
30286 - Gorgeous 2.86 Inch Crotalocephalina (Crotalocephalus) gibbus Lower Devonian Trilobite Cobaltoan calcite WaisfeldaspisNice 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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