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†family Oryctocephalidae Beecher 1897 (trilobite)

Trilobita

Parent taxon: Corynexochida according to H. B. Whittington et al. 1997

Sister taxa: Acontheus, Altaepeltis, Amgaspididae, Amginoerbia, Amphotonella, Asperocare, Ataktaspis, Babakovia, Balangia, Bathyuriscopsis, Bienella, Blandiaspis, Boreoscutellum, Brylyella, Bubupeltina, Cheilocephalidae, Chengkouia, Chengkouiidae, Chienaspis, Chilometopus, Chilonorria, Cholopilus, Chondagraulos, Chondrinouyina, Chuangiopsis, Chuchiaspis, Clavigellus, Corynexochidacea, Corynexochidae, Corynexochoidea, Dictyella, Dictyites, Dinesidae, Dolichometopidae, Dorypygidae, Edelsteinaspididae, Elankaspis, Emsurella, Eoscutellum, Evansaspis, Exastipyx, Ezhuangia, Girandia, Granularapis, Hapsidocare, Hemikaolishania, Holteria, Hunnanocephalus, Illaenidae, Illaenina, Illaenuridae, Iranaspis, Jakutidae, Kaolishaniidae, Kassinius, Klotziella, Kobayashipeltis, Kooteniellina, Kotisopeltis, Leiostegiidae, Lenaspis, Linguchuangia, Liokootenia, Longduia, Majiangia, Megalisania, Mendospidella, Metakootenia, Micmaccopsis, Neochilonorria, Nodiceps, Notasaphus, Olenoidestranans, Opsiosoryctocephalus, Ordosia, Orria, Oryctocare, Pagodiidae, Palacorona, Panderiidae, Panxinella, Paralevisia, Paralisaniella, Paraolenoides, Perischodory, Plethopeltella, Polliaxis, Polypleuraspis, Popigaia, Prokootenia, Prosymphysurus, Prouktaspis, Pseudolancastria, Shirakiellidae, Shivelicus, Sinijanella, Styginidae, Tabatopygellina, Tarynaspis, Tingocephalus, Tolanaspis, Tollaspis, Tsinaniidae, Uktaspis, Unicapeltis, Uraloscutellum, Xuigiella, Zacanthoididae

Subtaxa: Arthricocephalus, Changaspis, Cheiruroides, Curvoryctocephalus, Duyunaspis, Euarthricocephalus, Feilongshania, Goldfieldia, Hunanocephalus, Kunshanaspis, Lancastria, Metabalangia, Metarthricocephalus, Microryctocara, Oryctocara, Oryctocarinae, Oryctocephalina, Oryctocephalites, Oryctocephaloides, Oryctocephalops, Oryctocephalus, Ovatoryctocara, Paleooryctocephalus, Parachangaspis, Protoryctocephalus, Sandoveria, Shabaella, Tonkinella

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Ecology: nektobenthic carnivore