Trilobita - Olenida - Pterocephaliidae
Parent taxon: Pterocephaliidae according to A. I. Varlamov et al. 2006
Sister taxa: Anechocephalus, Beigongia, Bromella, Cilia, Dikelocephalites, Flabellocephalus, Housia, Housiinae, Jubileia, Labiostrella, Lunacephalus, Luotuolingia, Maladioides, Metachangshania, Morosa, Paramaladioidella, Pauciella, Pedinaspis, Pedinocephalites, Pelicephalus, Plesiocilia, Proapatokephaloides, Prodikelocephalites, Protemnites, Pseudaphelaspis, Pterocephaliinae, Pulchricapitus, Stenambon, Tumicephalus, Uxunella, Yangweizhouia, Yingziaspis, Camaraspis
Subtaxa: Rybniites
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Kazakhstan (6 collections), the Russian Federation (2)
• Taoyuanian of the Russian Federation (4)
Total: 12 collections each including a single occurrence