original description
Rolle, F. (1858). Über die geologische Stellung der Sotzka-Schichten in Steiermark. <em>Sitzungsberichte der mathematisch-naturwissenschaftlichen Classe der Kaiserlichen Akademie der Wissenschaften.</em> 30: 3-33., available online at https://www.biodiversitylibrary.org/page/6434672
page(s): 30, pl. 1, fig. 16 [details]
additional source
Kecskeméti-Körmendy, A. (1972). A Dorogi-medence eocén mollusca faunája [Die eozäne Molluskenfauna des Doroger Beckens]. <em>A Magyar Állami Földtani Intézet Évkönyve.</em> 55(2): 142–377.
page(s): 151 [details] Available for editors [request]
From editor or global species database
Type locality Type locality uncertain, Rolle only stated that the species occurs with the previous species, which were collected from different localities near Šoštanj (Slovenia) [details]