21253 - Great Collection of 13 Paralejurus spatuliformis Devonian Trilobites NWA Chondrite Polished Sections See also Jennings 1980 and

See also Jennings 1980 and Tidwell et al

Brown-pleochroic euhedral to subhedral hornblende crystals are abundant (Figs

It is typical of some levels of the Upper Fezouata Formation

org/wiki/Mosasaurus

21253 - Great Collection of 13 Paralejurus spatuliformis Devonian Trilobites NWA Chondrite Polished Sections See also Jennings 1980 andGreat 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,