Trilobita - Asaphida - Pterocephaliidae

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

Sister taxa: Anechocephalus, Bromella, Camaraspis, Cilia, Dikelocephalites, Labiostrella, Metachangshania, Morosa, Parahousia, Paramaladioidella, Pauciella, Pedinocephalites, Pelicephalus, Plesiocilia, Prehousia, Proapatokephaloides, Prodikelocephalites, Protemnites, Pseudaphelaspis, Pterocephaliinae, Pulchricapitus, Sigmocheilus, Strigambitus, Tumicephalus, Uxunella, Yangweizhouia, Yingziaspis

Subtaxa: Housia ovata

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Ecology: fast-moving low-level epifaunal deposit feeder