What are the names and symbols of the Titans?

The 12 main Titans were:

1. Cronus - symbol: sickle or scythe
2. Oceanus - symbol: a fish and a serpent
3. Iapetus - symbol: ?
4. Hyperion - symbol: ?
5. Crius - symbol: ?
6. Coeus - symbol: ?
7. Rhea - symbol: a turret crown, attended by lions
8. Tethys - symbol: a small pair of wings
9. Theia - symbol: ?
10. Phoebe - symbol: ?
11. Themis - symbol: scales and a double edged sWord
12. Menoetius - symbol: ?