| Citation | Calder, D.R., 2019 On a collection of hydroids (Cnidaria, Hydrozoa) from the southwest coast of Florida, USA. Zootaxa 4689(1):1-141. |
| Ref. | 132544 Calder, D.R., 2019 |
| Page | 22-23 |
| Named Used as Valid | Calyptospadix cerulea |
| Locality | USA, Virginia, Hampton Roads, Fort Wool. |
| Distribution | USA (Caloosahatchee River at Fort Myers), 0-5 m.; Canada (New Brunswick), USA (Louisiana, Texas, Mississippi, Delaware Bay, North Carolina), Caribbean Sea, Venezuela (Lake Macaibo). |