Family Helostomatidae Gill 1872

Helostoma Cope 1871:459 [ref. 920] (family-group name?) Helostoma [maybe intended as family-group name, not available]

Helostomidae Gill 1872:7 [ref. 26254] (family) Helostoma [corrected to Helostomatidae by Liem 1962:41 [ref. 20932], confirmed by Lindberg 1971:184 [ref. 27211], by Nelson 1976:292 [ref. 32838] and by Nelson 2006:438 [ref. 32486]]