| Species | Name Used |
|---|---|
| Tresus capax (Gould, 1850) | Tresus capax (p. 55 ) |
| Tresus nuttallii (Conrad, 1837) | Tresus nuttallii (p. 55 ) |
| Upogebia pugettensis (Dana, 1852) | Upogebia pugettensis (p. 67 ) |
| Urticina coriacea (Cuvier, 1798) | Urticina coriacea (p. 17 ) |
| Urticina felina (Linnaeus, 1767) | Urticina coriacea (p. 17 ) |
| Urticina lofotensis (Danielssen, 1890) | Urticina lofotensis (p. ) |
| Velella velella (Linnaeus, 1758) | Velella velella (p. 20 ) |
| Zirfaea pilsbryi Lowe, 1931 | Zirfaea pilsbryi (p. 59 ) |