Trilobita - Ptychopariida - Ptychopariidae

Synonyms: Meitania (Promeitania) Yuan et al. 1997, Promeitania Yuan et al. 1997

Full reference: J. L. Yuan, Y. L. Zhao, Z. Z. Wang, Z. Zhen, and X. Y. Chen. 1997. A preliminary study on Lower-Middle Cambrian boundary and trilobite fauna at Balang, Taijiang, Guizhou, south China. Acta Palaeontologica Sinica 36(4):494-524

Parent taxon: Ptychopariidae according to P. A. Jell and J. M. Adrain 2003

Sister taxa: Achlysopsis, Altikolia, Altitudella, Amecephalites, Asthenopsis, Austinvillia, Balangcunaspis, Bathyholcus, Billingsaspis, Binodaspis, Bolaspidina, Braintreella, Brunswickia, Caborcella, Cathayanella, Chengshanaspis, Conopolus, Danzhaina, Douposiella, Elrathina, Eokaotaia, Eokochaspis, Eoptychoparia, Eosoptychoparia, Eospencia, Gaphuraspis, Gedongaspis, Gunnia, Hadrocephalites, Jangudaspis, Jiagouia, Jialaopsis, Jianchangia, Jiumenia, Kaotaia, Kochaspis, Kochiella, Kochina, Kunmingaspis, Laminurus, Laoyingshania, Lyriaspis, Meitania, Mexicella, Monanocephalus, Mufushania, Nangaoia, Nangaops, Neoblairella, Nyella, Olenekina, Onchocephalites, Pachyaspis, Panacus, Paramecephalus, Paraperiomma, Parapoulsenia, Paraziboaspis, Piaziella, Pingluaspis, Plagiura, Plesiamecephalus, Poulsenella, Poulsenia, Probowmania, Probowmaniella, Probowmanops, Proliostracus, Psilostracus, Ptychoparella, Ptychoparia, Qiaotouaspis, Regina, Ruichengella, Sanwania, Schistometopus, Semisphaerocephalus, Shantungaspis, Shuiyuella, Sinoptychoparia, Spencella, Spencia, Stoecklinia, Suluktella, Syspacephalus, Tongshania, Townleyella, Trigonyangaspis, Tukalandaspis, Ulrichaspis, Vermontella, Volocephalina, Wanhuaia, Weijiaspis, Wuhaina, Xilingxia, Xingrenaspis, Yaojiayuella, Yuknessaspis, Ziboaspidella, Ziboaspis

Subtaxa: Parashuiyuella sinensis, Parashuiyuella subcylindrica

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Type: Parashuiyuella sinensis

Ecology: fast-moving low-level epifaunal carnivore