| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Seguenzia antarctica Thiele, 1925 |
Antarctic Atlantic | ||
| Seguenzia balicasagensis Poppe, Tagaro & Dekker, 2006 |
Western Central Pacific | ||
| Seguenzia beloni Poppe, Tagaro & Dekker, 2006 |
Western Central Pacific | ||
| Seguenzia dabfari Poppe, Tagaro & Dekker, 2006 |
Western Central Pacific | ||
| Seguenzia elegans Jeffreys, 1876 |
Northwest Pacific and Western Atlantic Ocean | 0.32 | |
| Seguenzia elegantissima Poppe, Tagaro & Dekker, 2006 |
Western Central Pacific | ||
| Seguenzia eritima Verrill, 1884 |
Western Atlantic | 0.45 | |
| Seguenzia floridana Dall, 1927 |
Western Atlantic | 0.5 | |
| Seguenzia formosa Jeffreys, 1876 |
Eastern Atlantic | ||
| Seguenzia giovia Dall, 1919 |
California seguenzia | East Pacific | |
| Seguenzia hapala Woodring, 1928 |
Pygmy seguenzia | Western Atlantic | 0.21 |
| Seguenzia ionica Watson, 1879 |
Atlantic Ocean | 0.46 | |
| Seguenzia keikoae Poppe, Tagaro & Dekker, 2006 |
Western Central Pacific | ||
| Seguenzia lineata Watson, 1879 |
Western Atlantic | 0.46 | |
| Seguenzia nitida Verrill, 1884 |
Western Atlantic | 0.5 | |
| Seguenzia rushi Dall, 1927 |
Western Atlantic | 0.26 | |
| Seguenzia trochiformis Poppe, Tagaro & Dekker, 2006 |
Western Central Pacific |