Trilobita - Ptychopariida - Ptychopariidae

Synonym: Chishanheella Zhang et al. 1995

Full reference: W. T. Zhang and J. L. Yuan. 1981. Trilobites from the Hsuchuang Formation (lower Middle Cambrian) in western marginal parts of the North China Platform. Geological Society of America Special Paper 187:161-175

Parent taxon: Ptychopariidae according to W. T. Zhang and J. L. Yuan 1981

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, Parashuiyuella, 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, Xilingxia, Xingrenaspis, Yaojiayuella, Yuknessaspis, Ziboaspidella, Ziboaspis

Subtaxa: Wuhaina henanensis, Wuhaina longispina, Wuhaina lubrica

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Type: Wuhaina lubrica

Ecology: fast-moving low-level epifaunal carnivore