Abanomocarella Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Bulbinouyia Yuan, Li, Mu, Lin & Zhu, 2012 † accepted as Inouyia Walcott, 1911 † (original description)
Dameselloides Yuan et al., 2012 † (original description)
Eobaojingia Yuan, Li, Mu, Lin & Zhu, 2012 † accepted as Baojingia Yang in Zhou et al., 1977 † accepted as Eoshengia Yang, 1978 † (original description)
Eokoldinia Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Eokoptura Yuan, Li, Mu, Lin & Zhu, 2012 † accepted as Koptura Resser & Endo in Kobayashi, 1935 † (original description)
Eomapania Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Gushanella Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Hutoushania Yuan, Li, Mu, Lin & Zhu, 2012 † accepted as Menocephalites Kobayashi, 1935 † (original description)
Ignotogregatidae Zhang & Jell, 1987 † (basis of record)
Inouyia Walcott, 1911 † (verified source for family)
Inouyiidae Chang, 1963 † (basis of record)
Itydeois Öpik, 1982 † (basis of record)
Leiaspis Wu & Lin in Zhang, Lin, Wu & Yuan, 1980 † (verified source for family)
Liowutaishania Zhang & Wang in Wang & Zhang, 1994 † (basis of record)
Luliangshanaspis Zhang & Wang, 1985 † (verified source for family)
Lunania Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Mapanella Yuan, Li, Mu, Lin & Zhu, 2012 † accepted as Mapania Resser & Endo in Kobayashi, 1935 † (original description)
Menocephalidae Hupé, 1953 † (basis of record)
Menocephalina Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Neimengguaspis Zhang & Liu, 1986a † (basis of record)
Paratomagnostus Yuan, Li, Mu, Lin & Zhu, 2012 † accepted as Tomagnostus Howell, 1935 † (original description)
Praeymekops Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Pseudopeishania Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Pseudoszeaspis Yuan, Li, Mu, Lin & Zhu, 2012 † accepted as Szeaspis Chang, 1959 † (original description)
Ruichengocephalus Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Shiliuyuania Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Sunaspidae Zhang & Jell, 1987 † (basis of record)
Sunaspidella Zhang & Yuan, 1981 † (verified source for family)
Sunaspis Lu, 1953 † (verified source for family)
Teratokoptura Xiang & Zhang, 1985 † accepted as Koptura Resser & Endo in Kobayashi, 1935 † (basis of record)
Woqishanaspis Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Xenolorenzella Duan in Duan et al., 2005 † (basis of record)
Yichengocephalus Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Zhangxiaspis Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Zhongtiaoshanella Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)
Zhongweia Zhou in Zhou Li & Qu, 1982 † (verified source for family)
Zichuanaspis Yuan, Li, Mu, Lin & Zhu, 2012 † (original description)