Trilobita - Phacopida - Pliomeridae

Synonym: Hammatocnemis Kielan 1960

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

Sister taxa: Anapliomera, Benedettia, Colobinion, Cybelopsinae, Encrinurella, Evropeites, Guizhoupliomerops, Hintzeia, Kanoshia, Obliteraspis, Parapliomera, Perissopliomera, Placoparia, Pliomera, Pliomerella, Pliomeridius, Pliomerina, Pliomerops, Protopliomerella, Protopliomerops, Pseudomera, Quinquecosta, Rossaspis, Tesselacauda

Subtaxa: none

Ecology: fast-moving low-level epifaunal carnivore