Trilobita - Ptychopariida - Conokephalinidae
Parent taxon: Ptychopariida according to P. A. Jell and J. M. Adrain 2002
Sister taxa: Acrocephalitidae, Alokistocaridae, Amphorella, Atratebiinae, Bifodina, Bolaspididae, Bulnibarbi, Bvalbardites, Catillicephalidae, Chondrastaulina, Chuangiformis, Cliffiidae, Conococheaquea, Conocoryphidae, Crepicephalidae, Diceratocephalidae, Elviniidae, Harpina, Indiligens, Kazelina, Kingstoniidae, Kirengelia, Lisaniidae, Lonchocephalidae, Lorenzellidae, Marjumiidae, Meniscocorphye, Meniscocoryphe, Menomoniidae, Neoanomocerella, Norwoodiidae, Olenina, Papyriaspididae, Phylacteridae, Plethopeltidae, Proasaphiscidae, Propeltura, Ptychopariidae, Ptychopariina, Ptychoparoides, Raymondinidae, Shumardiidae, Solenopleuracea, Solenopleuridae, Tricrepicephalidae, Xianquianaspis, Yuehsieszella
Subtaxa: Buitella Catuniella Conokephalina Maspakites Meisterella Miranda Suludella Westergaardella
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Antarctica (4 collections), China (5), the Czech Republic (4), Kazakhstan (2), the Russian Federation (7), United States (1: New York)
• Taoyuanian of the Russian Federation (2)
• Solvan of the Czech Republic (7)
• Amgan of the Czech Republic (2)
Total: 34 collections including 37 occurrences