| Species | Name Used in Reference |
|---|---|
| Gadella filifer (Garman, 1899) | Gadella filifer (p. 4 ) |
| Gadella jordani (Böhlke & Mead, 1951) | Gadella jordani (p. 4 ) |
| Gadella molokaiensis Paulin, 1989 | Gadella molokaiensis (p. 4 ) |
| Gadella thysthlon Long & McCosker, 1998 | Gadella thysthlon (p. 1;fig.1-2;tab.1 ) |