Kramp P.L. (1938a). Die Meduse von Ostroumovia inkermanica (Pal. Ostr.) und die systematische Stellung der Olindiiden. <em>Zoologischer Anzeiger.</em> 122: 103-108.
page(s): 107 [details]
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
Diagnosis Medusa mostly with 4 or 6 complete radial canals, often also with incomplete centripetal canals not reaching manubrium; with or without marginal nematocyst ring; gonads along radial canals or exceptionally on manubrium (Armorhydra and Limnocnida); marginal tentacles peripheral, hollow, without true basal bulb, marginal sense organs as internal enclosed statocysts; no ocelli; exceptionally reduced medusoids (Monobrachium).
Hydroid stage either absent (Geryoniidae) or small, simple, mostly solitary, some forming colonies; sessile; with or without tentacles; without theca but having a mucoprotein periderm, cysts and stolons can be covered by perisarc.
Some species also in freshwater.