| Common Name | Snail trefoil hydroid |
| Language | English |
| Type | AFS |
| Official Trade Name | No |
| Rank | 1 - (Legal common name (unique)) |
| Country | United States (contiguous states) |
| Locality | |
| Ref. | Cairns, S.D., D.R. Calder, A. Brinckmann-Voss, C.B. Castro, D.G. Fautin, P.R. Pugh, C.E. Mills, W.C. Jaap, M.N. Arai, S.H.D. Haddock and D.M. Opresko, 2003 |
| Life Stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st Modifier | morphology |
| 2nd Modifier | behavior |
| Remarks | 'hydroid', from New Latin 'Hydra', i.e., 'hydrozoan'; 'trefoil', from Latin 'trifolium', i.e., 'three blades'; 'snail', from Old High German 'snahhan', i.e., 'to creep'. |