22058 - Nicely Prepared 3.32 Inch Paralejurus spatuliformis Devonian Trilobite Amber Inclusions Beautiful collection of 5 Unidentified

Beautiful collection of 5 Unidentified Mosasaurus teeth

in a minor proportion

"A partial skeleton of the basal mosasaur Halisaurus platyspondylus from the Severn Formation (Upper Cretaceous: Maastrichtian) of Maryland" (PDF)

Environments: shallow subtidal

Figure 5 shows the EDS analyses and indicates that pyroxene is augte

22058 - Nicely Prepared 3.32 Inch Paralejurus spatuliformis Devonian Trilobite Amber Inclusions Beautiful collection of 5 UnidentifiedNicely 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,