Trilobita - Ptychopariida - Antagmidae

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

Sister taxa: Antagmus, Bilimbataia, Crassifimbra, Erzishania, Lermontoviella, Longshania, Mantoushania, Onchocephalina, Onchocephalus, Oreisator, Paraantagmus, Periomma, Xiangqianaspis, Xiaomajiella, Yuehsienszella

Subtaxa: none

Ecology: fast-moving low-level epifaunal carnivore