N.B.: transferred from the Hypochilidae to the Hickmaniidae by Lehtinen, 1967: 299, to the Austrochilidae by Forster, Platnick & Gray, 1987: 48 and to the Gradungulidae by Kulkarni & Hormiga, 2021: 855; synonymy with Thaida (Murphy & Roberts, 2015: viii) not sufficiently justified and is also rejected by Kulkarni & Hormiga, 2021: 855.