| Reference no. | 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 |
| Ecosystem | Atlantic Ocean |
| Status | native |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Listed under both their hydroid and medusae stages in Atlantic coasts (Ref. 1663, p. 19, 26). |