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 RoR) [details]
additional source
Schuchert, P. (2009). The European athecate hydroids and their medusae (Hydrozoa, Cnidaria): Filifera Part 5. <em>Revue Suisse de Zoologie.</em> 116: 441-507., available online at https://www.biodiversitylibrary.org/page/41185999 [details]
From editor or global species database