Auteur(s)	Gittenberger, E.
Jaar	1991
Titel	On Cyprian Helicellinae (Mollusca: Gastropoda Pulmonata: Helicidae), making a new start. Zool. Med. Leiden 65 (7), pp 99-128, figs. 1-47.— ISSN 0024-0672.

• Osmia (Allosmia) sybarita
• Osmia (Pyrosmia) viridana