Ptychopariidae is a family of trilobites, containing the following genera:

Achlysopsis Altikolia Altitudella Amecephalites Asthenopsis Austinvillia Balangcunaspis Bashania Bathyholcus Bathyocos Billingsaspis Binodaspis Blairella – see Neoblairella  Bolaspidina Brunswickia Bulkuraspis Caborcella Callidaspina Callidaspis Cathayanella Champlainia Chengshanaspis Chinghisicus Chunghwaella Conopolus Dananzhuangia Deltina Douposiella Elrathina Entsyna Eodouposiella Eokochaspis Eosoptychoparia Eospencia Eurostina Finecrestia Gaotanaspis Gaphuraspis Gedongaspis Gunnia Hadrocephalites Hadrokraspedon Hamptonella Hejinaspis Hemicricometopus Hewenia Holasaphus Horbusonia Illtydaspis Jangudaspis Jialaopsis Jianchangia Jimaoshania Jiumenia Kermanella Kochaspis Kochiella Kochiellina Kochina Kounamkites Kunmingaspis Laminurus Laoyingshania Lianglangshania Loriella Luguoia Luxella Lyriaspis Majiangia Manailina Meitania Metisella – see Rasettiella  Mexicella Monanocephalus Mopanshania Mrassina Mufushania Nangaocephalus Nangaoia Nangaops Nanoqia Nassovia Nelsonia – see Paleonelsonia  Neoblairella  Neoregina  Neokochina Nyella – Palmerara  Olenekina Onchocephalites Ontoella Orienturus Orlovia Orloviella Pachyaspidella Pachyaspis Palmerara  Palmeraspis Paleonelsonia  Panacus Paraeosoptychoparia Paragunnia Paramecephalus Paraperiomma Paraplagiura Parapoulsenia Parashuiyuella Paraziboaspis Perimetopus Periommella Piazella Pingluaspis Piochaspis Plagiura Pokrovskayaspis Poulsenella Poulsenia Poulseniella Probowmania Probowmaniella Probowmanops Proliostracus Promeitania ?Protohedinia Pseudoliostracus Psilostracus Ptychoparella Ptychoparia Qiaotouaspis Qingshuiheia Rasettiella  Reedus Regina – Neoregina  Regius Runnania Salankanaspis Sanhuangshania Sanwania Schistometopus Semisphaerocephalus Seriaspis Shanganella Shantungaspis Shuiyuella Sinoptychoparia Spencella Spencia Stoecklinia Sujaraspis Suluktella Taijiangia Taniaspidella Townleyella Trachyostracus Trigonyangaspis Tukalandaspis ?Ulrichaspis Variopelta Vermontella Vica Volocephalina Wanhuaia Weijiaspis Wuhaina Xiangshanaspis Xingrenaspis Yaoyiayuella Yohoaspis Yuknessaspis Ziboaspidella Ziboaspis

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