Trilobita - Asaphida - Pterocephaliidae
Full reference: A. R. Palmer. 1960. Trilobites of the Upper Cambrian Dunderberg Shale, Eureka District, Nevada. United States Geological Survey Professional Paper 334-C:53-107
Parent taxon: Pterocephaliidae according to A. R. Palmer 1960
Sister taxa: Anechocephalus, Bromella, Camaraspis, Cilia, Dikelocephalites, Housia, Labiostrella, Metachangshania, Morosa, Parahousia, Paramaladioidella, Pauciella, Pedinocephalites, Pelicephalus, Plesiocilia, Prehousia, Proapatokephaloides, Prodikelocephalites, Protemnites, Pseudaphelaspis, Pulchricapitus, Sigmocheilus, Strigambitus, Tumicephalus, Uxunella, Yangweizhouia, Yingziaspis
Subtaxa: Cernuolimbus, Pterocephalia
Ecology: fast-moving low-level epifaunal deposit feeder