Plagiura Resser 1935 (trilobite)

Trilobita - Ptychopariida - Ptychopariidae

Synonyms: Plagiurella Resser 1937, Ruichengella Zhang et al. 1980

Full reference: C. E. Resser. 1935. Nomenclature of some Cambrian trilobites. Smithsonian Miscellaneous Collections 93(5):1-46

Parent taxon: Ptychopariidae according to P. A. Jell and J. M. Adrain 2002

See also Lochman 1947, Palmer and Halley 1979 and Sepkoski 2002

Sister taxa: Achlysopsis, Altikolia, Altitudella, Amecephalites, Asthenopsis, Austinvillia, Balangcunaspis, Bathyholcus, Bathyocos, Billingsaspis, Binodaspis, Bolaspidina, Braintreella, Brunswickia, Caborcella, Cathayanella, Champlainia, Chengshanaspis, Conopolus, Deltina, Douposiella, Entsyna, Eokaotaia, Eoptychoparia, Eospencia, Eurostina, Gaotanaspis, Gaphuraspis, Gedongaspis, Gunnia, Holasaphus, Illtydaspis, Jangudaspis, Jiagouia, Jialaopsis, Jianchangia, Jiumenia, Kaotaia, Kochiella, Kochiellina, Kounamkites, Kunmingaspis, Laminurus, Laoyingshania, Luxella, Lyriaspis, Meitania, Meniscopsia, Monanocephalus, Mufushania, Nangaoia, Nangaops, Nassovia, Neoblairella, Neoregina, Olenekina, Onchocephalites, Orienturus, Orlovia, Orloviella, Pachyaspis, Paleonelsonia, Palmerara, Palmeraspis, Panacus, Paraeosoptychoparia, Parahiolites, Paraperiomma, Paraplagiura, Parapoulsenia, Paraziboaspis, Periommella, Piaziella, Pingluaspis, Piochella, Plesiamecephalus, Poulsenella, Poulsenia, Probowmania, Probowmaniella, Probowmanops, Proliostracus, Protohedinia, Psilostracus, Ptychoparella, Ptychopariinae, Qiaotouaspis, Regius, Salankanaspis, Sanwania, Semisphaerocephalus, Shantungaspis, Shuiyuella, Sinoptychoparia, Spencella, Spencia, Stoecklinia, Suluktella, Syspacephalus redpathi, Syspacephalus unca, Townleyella, Trigonyangaspis, Tukalandaspis, Ulrichaspis, Variopelta, Vermontella, Volocephalina, Wanhuaia, Weijiaspis, Wuhaina, Xingrenaspis, Yaojiayuella, Yohoaspis, Ziboaspidella, Ziboaspis

Subtaxa: Plagiura cercops Plagiura cleadas Plagiura extensa Plagiura minor Plagiura retracta Ruichengella ruichengensis Ruichengella triangularis

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Type: Ptychoparia cercops

Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Cambrian of Canada (9: Alberta, British Columbia collections), China (3), United States (35: California, Nevada, Nevada and California)

Total: 47 collections including 50 occurrences

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