Artiopoda - Ptychopariida - Diceratocephalidae
Parent taxon: Ptychopariida according to H. B. Whittington et al. 1997
See also Adrain 2011, Hong et al. 2003 and Park et al. 2008
Sister taxa: Acrocephalitidae, Alokistocaridae, Amphorella, Atratebiinae, Bifodina, Bolaspididae, Bulnibarbi, Bvalbardites, Catillicephalidae, Chondrastaulina, Chuangiformis, Cliffiidae, Conococheaquea, Conocoryphidae, Conokephalinidae, Crepicephalidae, Elviniidae, Harpina, Indiligens, Jamrogiidae, Kazelina, Kingstoniidae, Kirengelia, Lisaniidae, Lonchocephalidae, Lorenzellidae, Marjumiidae, Meniscocorphye, Meniscocoryphe, Menomoniidae, Neoanomocerella, Nepeidae, Norwoodiidae, Olenina, Onchonotopsidae, Papyriaspididae, Phylacteridae, Plethopeltidae, Proasaphiscidae, Propeltura, Ptychopariidae, Ptychopariina, Ptychoparoides, Raymondinidae, Shumardiidae, Solenopleuracea, Solenopleuridae, Tricrepicephalidae, Xianquianaspis, Yuehsieszella
Subtaxa: Anopocodia Aulacodigma Cyclolorenzella Diceratocephalus Fenghuangella Tholifrons Trigocephalus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Canada (3: Yukon collections), China (65), Kazakhstan (13), North Korea (1), the Russian Federation (2), South Korea (1), United States (4: Alaska, Vermont)
Total: 89 collections including 119 occurrences