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Ptychopariidae

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