Their potential preys included coelacanths and lungfish
Durham 1966
because it can be observed how it is composed of layers of digested fish scales
Institute of Geophysics and Planetary Physics
Plicatoscyllium
07204 - Top Rare Association Symphysops sp + Prionocheilus sp Upper Ordovician Trilobites MakeOffer Their potential preys included coelacanthsSpecimens of an extremely rare species . Symphysops sp, Raymond 1925 (trilobite) Trilobita Asaphida Cyclopygidae Parent taxon: Cyclopygidae according to P. A. Jell and J. M. Adrain 2002 See also Sepkoski 2002 Sister taxa: Aspidaeglina, Circulocrania, Cyclopyge, Degamella, Ellipsotaphrus, Emmrichops, Gastropolus, Girvanopyge, Heterocyclopyge, Microparia, Novakella, Phylacops, Pricyclopyginae, Prospectatrix, Psilacella, Sagavia, Xenocyclopyge Subtaxa: