MolluscaBase name details
original description
(of Paraegopis (Balcanodiscus) A. Riedel & Urbański, 1964) Riedel, A. & Urbański, J. (1964). Systematische Stellung und Angaben über das Vorkommen von Paraegopis (Balcanodiscus subgen. n.) frivaldskyanus (Rossmaessler, 1842) (Gastropoda, Zonitidae). Annales Zoologici, 22 (4): 69-79. Warszawa [25 May].
page(s): 75 [details] Available for editors [request]
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]