Trilobita - Asaphida - Pterocephaliidae
Full reference: A. V. Rozova. 1964. Biostratigrafiya i opisaniye trilobitov srednego i verkhnego Kembriya severo-zapada Sibirskoy Platformy. Opisaniye stratotipicheskogo razreza (reka Kulyumbe) [Biostratigraphy and description of trilobites of the Middle and Upper Cambrian of the northwestern Siberian Platform. Description of the stratotype section (Kulyumbe River)] 1-148
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, Pelicephalus, Plesiocilia, Prehousia, Proapatokephaloides, Prodikelocephalites, Protemnites, Pseudaphelaspis, Pterocephaliinae, Pulchricapitus, Sigmocheilus, Strigambitus, Tumicephalus, Uxunella, Yangweizhouia, Yingziaspis
Subtaxa: Pedinocephalites divulgatus, Pedinocephalites minimus
Type: Pedinocephalina divulgata
Ecology: fast-moving low-level epifaunal deposit feeder