original description
(of Paladilhia (Belgrandia) zilchi Settepassi, 1965) Settepassi, F.; Verdel, U. (1965). Continental Quaternary mollusca of lower Liri Valley (Southern Latium). <em>Geologica Romana.</em> 4: 369-452.
page(s): 386, figs 12, 13 [details] Available for editors [request]
basis of record
Glöer P. (2022). The freshwater gastropods of the West Palaearctis. Identification key, Anatomy, Ecology, Distribution. III. Hydrobiidae. <em>Hetlingen: The author.</em> 528 pp.
page(s): 203-204, fig. 271 [details]
From editor or global species database
Type locality Italy, Aquino, Ponte di Casteluccio [details]