original descriptionKeller, C. (1880). Neue Coelenteraten aus dem Golf von Neapel. <em>Archiv für mikroskopische Anatomie und Entwicklungsmechanik.</em> 18:271-280.[details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Holotype Suggested to be in the collections of ZMB, but not registered in its online database. Keller's description mentions it was incorporated in the collection of the Stazione Zoologica of Napels.
The Zoological Museum of Strasbourg has fragments bearing an unpublished name of Schmidt (Po0133) reassigned by Topsent as Rhizaxinella clavigera. Since Keller mentioned Schmidt's involvement these are possible fragments of Keller's material. [details] Type locality Naples, Mediterranean [details]