| Contents | Class | Order |
Order Thigmotrichida Chatton & Lwoff, 1922
Fam. Ancistridae Issel, 1903Fam. Hemispeiridae König, 1894
Fam. Hysterocinetidae Diesin, 1866
Fam. Paraptychostomidae Ngassam, de Puytorac & Grain, 1994
Fam. Protanoplophryidae Miyashita, 1929