Trilobita - Phacopida - Pterygometopidae

Parent taxon: Pterygometopidae according to P. A. Jell and J. M. Adrain 2003

Sister taxa: Achatella, Bolbochasmops, Carinopyge, Chasmops, Eomonorachus, Estoniops, Isalaux, Liocnemis, Monorakos, Oculichasmops, Podowrinella, Pterygometopus, Scopelochasmops, Toxochasmops, Tricopelta

Subtaxa: none

Ecology: fast-moving low-level epifaunal carnivore