original description(ofVertigo (Vertigo) pusilla irenae Schlickum, 1975 †)Schlickum, W.R. (1975). Die oberpliozäne Molluskenfauna von Cessey-sur-Tille (Département Côte d'Or). Archiv für Molluskenkunde. 106 (1/3), 47-79. page(s): 55, pl. 4, fig. 22 [details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality