Trilobita - Ptychopariida - Ellipsocephalidae

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

Sister taxa: Acadolenus, Alueva, Asiatella, Berabichia, Bergeroniaspis, Bergeroniellus, Bhargavia, Comluella, Ellipsocephalinae, Ellipsocephalus, Glabrella, Hamatolenus, Kadyella, Kijanella, Kingaspidoides, Kingaspis, Kymataspis, Latikingaspis, Latuzella, Limataceps, Lusatiops, Myopsolenus, Nelegeria, Paraprotolenella, Protolenella, Protolenus, Pseudoprotolenella, Strenuaeva, Strenuella, Triangulaspis, Yeshanaspis

Subtaxa: none

Ecology: fast-moving low-level epifaunal carnivore