- Bathychaetosoma uchidai (Kito, 1983) Decraemer, Gourbault & Backeljau, 1997
- Cephalochaetosoma pacificum Kito, 1983
- Cephalochaetosoma pacificum notium Decraemer & Gourbault, 1997
- Cephalochaetosoma uchidai Kito, 1983 accepted as Bathychaetosoma uchidai (Kito, 1983) Decraemer, Gourbault & Backeljau, 1997
- Cygnonema belgicae Raes, Decraemer & Vanreusel, 2006
- Cygnonema verum Raes, Decraemer & Vanreusel, 2006
- Prochaetosoma ventriverruca Tchesunov, 2015