Trilobita - Phacopida - Pliomeridae
PaleoDB taxon number: 21498
Full reference: H. B. Whittington. 1961. Middle Ordovician Pliomeridae (Trilobita) from Nevada, New York, Quebec, Newfoundland. Journal of Paleontology 35(5):911-922
Parent taxon: Pliomeridae according to P. A. Jell and J. M. Adrain 2002
Sister taxa: Anapliomera, Benedettia, Cybelopsinae, Encrinurella, Evropeites, Gogoella, Guizhoupliomerops, Hammatocnemidae, Hintzeia, Ibexaspis, Josephulus, Leiostrototropis, Obliteraspis, Parapliomera, Perissopliomera, Placoparia, Pliomera, Pliomerella, Pliomeridius, Pliomerina, Pliomerinae, Protoencrinurella, Protopliomerella, Protopliomerops, Pseudomera, Quinquecosta, Rossaspis, Tesselacauda
Subtaxa: Colobinion julius
Type: Amphion julius
Ecology: fast-moving low-level epifaunal carnivore