Either way it is a specimen which deserves its dedicated study
Odontopleurinae
Part of the maxilla of this huge crocodile species
It has some glued or filled fracures
Fluorite (also called fluorspar) is the mineral form of calcium fluoride
07982 - Nicely Prepared 2.72 Inch Paralejurus spatuliformis Devonian Trilobite Alanqa saharica Either way it is aNicely well preserved and prepared specimen. 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, Ekwanoscutellum, Failleana,