Trilobita - Asaphida - Pterocephaliidae

Full reference: G. K. Ergaliev. 1980. Trilobity srednego i verkhnego Kembriya Malogo Karatau [Middle and Upper Cambrian trilobites from Malyy Karatau] 1-211

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

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

Subtaxa: Proapatokephaloides longiformis

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Type: Proapatokephaloides longiformis

Ecology: fast-moving low-level epifaunal deposit feeder