| Species | Name Used |
|---|---|
| Tritonia myrakeenae Bertsch & Mozqueira, 1986 | Tritonia myrakeenae (p. 91 ) |
| Tritonia pickensi Marcus & Marcus, 1967 | Tritonia pickensi (p. 92 ) |
| Tylodina fungina Gabb, 1865 | Tylodina fungina (p. 38 ) |
| Tyrinna evelinae (Marcus, 1958) | Tyrinna evelinae (p. 86 ) |
| Umbraculum umbraculum (Lightfoot, 1786) | Umbraculum umbraculum (p. 38 ) |
| Volvulella cylindrica (Carpenter, 1864) | Volvulella cylindrica (p. 27 ) |
| Zelentia pustulata (Alder & Hancock, 1854) | Cuthona pustulata (p. 129 ) |