original description
Thiele, J. (1924). Revision des Systems der Trochacea. <em>Mitteilungen aus dem Zoologischen Museum in Berlin.</em> 11(1): 47-74. [details] Available for editors [request]
From editor or global species database
Nomenclature Umbotrochus was a manuscript name used by Monterosato in his collection and published, but not used as valid (because of homonymy with Umbotrochus Perner, 1903), by Thiele, who erected Callumbonella instead. [details]
From editor or global species database
From other sources