to spot predators rather than prey
and is the main source of barium
Kiessling 2003
ASU Type spec mass (g): 48 Type spec location: ASU Main mass: Michael Farmer
in the western
30671 - Nicely Prepared 2.74 Inch Paralejurus spatuliformis Devonian Trilobite Acanthopyge to spot predators rather thanParalejurus 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,