Trilobita - Ptychopariida - Eulomidae

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

Sister taxa: Acrocephalaspina, Altaiaspis, Dolgeuloma, Duplora, Euloma, Karataspis, Ketyna, Kujandaspis, Loparella, Lopeuloma, Pareuloma, Probilacunaspis, Proteuloma, Pseudoacrocephalites, Stigmatoa

Subtaxa: none

Ecology: fast-moving low-level epifaunal carnivore