Literature
- Minichev, Y. S. 1967. Studies on the morphology of the lower Opisthobranchia (on the evolutionary significance of the detorsion-process). Trudy Zool. Inst. Akad. Nauk S.S.S.R., Leningrad 44: 109-182.
- Souleyet, [F. L. A.] 1843b. Zur Anatomie, Physiologie und Natur-geschichte der pteropodischen Weichtiere (Flossenfüssler). Neue Not. Geb. Nat. Heilk. 28(6) (600): 81-83 and 28 (7) (601): 97-103.