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These suggest disequilibrium during magma crystallization (Figs
the mesial side is strongly curved and the distal side is almost straight to the base of the tooth
In order to classify them it would be necessary to cut off a section for analysis
Lamarck 1801 (sand dollar)
Western Sahara and Algeria
22061 - Nicely Prepared 1.77 Inch Paralejurus spatuliformis Devonian Trilobite Nankinolithus These suggest disequilibrium during magmaParalejurus sp, Hawle and Corda 1847 (trilobite) Trilobita Corynexochida Styginidae Parent taxon: Styginidae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Alceste, Ancyropyge, Arctipeltis, Australoscutellum, Bojoscutellum, Breviscutellum, Bumastinae, Cekovia, Cornuscutellum, Cybantyx, Decoroscutellum, Delgadoa, Dentaloscutellum, Dulanaspis, Ekwanoscutellum, Failleana, Goldillaenoides, Goldillaenus, Illaenoides,
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