original description
Boettger, O. (1875). Ueber die Gliederung der Cyrenenmergelgruppe im Mainzer Becken. <em>Bericht über die Senckenbergische Naturforschende Gesellschaft.</em> 1873/1874: 50-102., available online at https://www.biodiversitylibrary.org/page/9351642
page(s): 64 [details]
additional source
Nordsieck, H. (2017). <i>Pulmonata, Stylommatophora, Helicoidea: Systematics with comments</i>. Harxheim: ConchBooks. 98 pp.
page(s): 6, 17 [details]
From editor or global species database
Classification Systematic position within the limacoids uncertain. Referred to as "Omphaloptyx group" by Nordsieck (2017). [details]