| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Knefastia dalli Bartsch, 1944 |
Eastern Pacific | ||
| Knefastia funiculata (Kiener, 1840) |
Eastern Pacific | ||
| Knefastia hilli Petuch, 1990 |
Western Central Atlantic | 5.8 | |
| Knefastia horrenda (Watson, 1886) |
Western Atlantic | ||
| Knefastia howelli (Hertlein & Strong, 1951) |
Eastern Pacific | ||
| Knefastia olivacea (Sowerby I, 1834) |
Eastern Pacific | ||
| Knefastia princeps Berry, 1953 |
Eastern Pacific | ||
| Knefastia tuberculifera (Broderip & Sowerby I, 1829) |
Eastern Pacific | ||
| Knefastia walkeri Berry, 1958 |
Eastern Pacific |