Trilobita - Ptychopariida - Dokimocephalidae

Full reference: F. Rasetti. 1961. Dresbachian and Franconian trilobites of the Conococheague and Frederick Limestones of the central Appalachians. Journal of Paleontology 35(1):104-124

Belongs to Glyptometopsis according to F. Rasetti 1961

Sister taxon: Glyptometopsis tumida

Ecology: fast-moving low-level epifaunal carnivore