original description(ofIsabellaria (Nymphogena) Sajó, 1968)Sajó, I. E. (1968). Drei neue Clausiliiden aus Griechenland. <em>Archiv für Molluskenkunde.</em> 98(1/2): 57-60. Frankfurt am Main. page(s): 58 [details] Available for editors [request]
basis of recordBank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017.[details]