Bulbificopsis Squires & Saul, 2003 † (original description)
Calkota Squires & Saul, 2003 † (original description)
Leffingwellia M.J. Head & G. Norris, 2003 † (original description)
Neimongolidiscus Pan & Cook, 2003 † (original description)
Nodulispira Pan & Cook, 2003 † (original description)
Pentzia Squires & Saul, 2003 † (original description)
Pseudopharkidonotus Pan & Cook, 2003 † (original description)
Sprinkleocystis Broadhead & Sumrall, 2003 † (original description)
Zhusilengospira Pan & Cook, 2003 † (original description)