original description
Bittner, A. (1884). Die Tertiärablagerungen von Trifail und Sagor. <em>Jahrbuch der k. k. geologischen Reichsanstalt.</em> 34(3): 433-600., available online at https://www.biodiversitylibrary.org/page/35703984
page(s): 514-515, pl. 10, fig. 15 [details]
additional source
Wenz, W. (1923-1930). Fossilium Catalogus I: Animalia. Gastropoda extramarina tertiaria. W. Junk, Berlin. Vol. I: 1-352 pp. (1923), Vol. II: 353-736 pp. (1923), Vol. III: 737-1068 pp. (1923), Vol. IV: 1069-1420 pp. (1923), Vol. V: 1421-1734 pp. (1923), Vol. VI: 1735-1862 pp. (1923), Vol. VII: 1863-2230 pp. (1926), Vol. VIII: 2231-2502 pp. (1928), Vol. IX: 2503-2886 pp. (1929), Vol. X: 2887-3014 pp. (1929), Vol. XI: 3015-3387 pp. (1930)., available online at http://biodiversitylibrary.org/bibliography/61839#/summary
page(s): 2474 [details]
From editor or global species database
Type locality Old quarries east above Zagorje ob Savi, also from the northern wing, the mountain range of Savine, and from Sv. Jurij in Izlake ("Alte Tagbaue östlich oberhalb Töplitz-Sagor [...]; aus dem nördlichen Flügel, dem Zuge von Savine [...] von St. Georgen-Islak"), Trbovlje, Slovenia; Socka Beds, Priabonian, late Eocene [details]