Chaetonymphon hirtum Krøyer, 1844 – synonym of Nymphon hirtum
Chaetonymphon tenellum Sars. 1888 – synonym of Nymphon tenellum
Chilophoxus spinosus Stebbing, 1902 – synonym of Endeis spinosa
Cordylochele longicollis G.O. Sars, 1888 – synonym of Pseudopallene longicollis