BioStor
 | Die Opisthobranchier der Sammlung Plate R Bergh (1898) Zoologische Jahrbücher. Supplementheft 4: 481-582 |
 | Report on a collection of shells from Peru, with a summary of the littoral marine Mollusca of the Peruvian zoological province William Healey Dall (1909) Proceedings of The United States National Museum 37: 147-294 |
 | Revision of the endoparasitic copepod genus Ismaila Bergh, 1867, with description of eight new species (Copepoda, Poecilostomatoida, Splanchnotrophidae) Ulrike Haumayr and Michael Schrodl (2003) Spixiana 26(1): 1-33 |