| Reference no. | Spracklin, B.W., 1982 |
| Ecosystem | Tropical Atlantic |
| Status | native |
| Abundance | scarce (very unlikely) |
| Lifestage | adults |
| Regional database | |
| Remarks | First record of the hydroid in the Caribbean Sea is from Carrie Bow Cay, while the medusa has been recorded from the Mediterranean Sea, British Isles, Sweden and France. Only a single polyp with seven capitate tentacles was found on a blade of turtle gra |