| Citation | Nicholas, K.R. and C.L.J. Frid, 1999 Occurrence of hydromedusae in the plankton off Northumberland (western central North Sea) and the role of planktonic predators. Journal of the Marine Biological Association of the United Kingdom 79:979-992. |
| Ref. | 3050 Nicholas, K.R. and C.L.J. Frid, 1999 |
| Page | |
| Named Used as Valid | Phialidium hemisphaericum |
| Locality | |
| Distribution | UK. |