which is in a Lenian carbonate limestone in the Pioche Shale Formation of Nevada
taenite and troilite in a finer grained matrix containing small vesicles and minor barite
Tibichoanoceras
Whitehouse 1936 (trilobite)
It is a very rare specimen belonging to an unidentified dinosaur species
30734 - Top Quality 1.47 Inch Paralejurus spatuliformis Devonian Trilobite Lehua which is in a LenianParalejurus 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,