original description
De Stefani, C. (1880). Molluschi continentali fino ad ora notati in ltalia nei terreni pliocenici, ed ordinamento di questi ultimi (continuazione). Atti della Societa Toscana di Scienze Naturali Residente in Pisa. 5, 9-108., available online at https://www.biodiversitylibrary.org/page/36825211
page(s): 125, 126 [details]
source of synonymy
Esu, D., Girotti, O. (1975). La malacofauna continentale del Plio-Pleistocene dell'Italia centrale. I. Paleontologia. Geologica Romana. 13, 203-294.
page(s): 269-270 [details] Available for editors [request]
source of synonymy
Gerber, J. (1996). Revision der Gattung <i>Vallonia</i> Risso 1826 (Mollusca: Gastropoda: Valloniidae). <em>Schriften zur Malakozoologie.</em> 8: 1-227. Cismar [20 February].
page(s): 89, 98 [details] Available for editors [request]
From editor or global species database
Synonymy Treated as questionable synonym of the extant Vallonia pulchella by Esu & Girotti (1975) and as a questionable synonym of the Burdigalian Vallonia lepida by Gerber (1996). Given the huge age difference in the latter case (c. 15 myr), the synonymy with Vallonia lepida appears rather doubtful. Revision required. [details]