21253 - Great Collection of 13 Paralejurus spatuliformis Devonian Trilobites NWA Chondrite Polished Sections org/wiki/Mosasaurus

org/wiki/Mosasaurus

Nice right mandibular fragment

less commonly euhedral

The hardness of the mineral is the same as quartz

Classification: Iron meteorite (IIAB)

21253 - Great Collection of 13 Paralejurus spatuliformis Devonian Trilobites NWA Chondrite Polished Sections org/wiki/MosasaurusGreat Collection of 13 well preserved and prepared specimens. Paralejurus 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,