original description
Russell, F.S., 1953. The medusae of the British Isles. Anthomedusae, Leptomedusae, Limnomedusae, Trachymedusae and Narcomedusae. : 1-530, pls. 1-35.
page(s): 429 [details] Available for editors 
basis of record
Bouillon, J.; Boero, F. (2000). Synopsis of the families and genera of the Hydromedusae of the world, with a list of the worldwide species. <i>Thalassia Salent. 24</i>: 47-296 (look up in IMIS) [details]
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Rhopalonema velatum from Florida, western Atlantic Ocean
Rhopalonematidae, characterstics