| Tricolia adamsi (Philippi, 1853) |
| Tricolia affinis (C. B. Adams, 1850) |
| Tricolia affinis subsp. cruenta Robertson, 1958 |
| Tricolia affinis subsp. pterocladica Robertson, 1958 |
| Tricolia bella (M. Smith, 1937) |
| Tricolia cruenta Robertson, 1958 |
| Tricolia substriata (Carpenter, 1864) |
| Tricolia thalassicola Robertson, 1958 |
| Tricolia variegata (Carpenter, 1864) |
| Tricoliinae Woodring, 1928 |