original description
Dunker, W. (1846). <i>Monographie der norddeutschen Wealdenbildung. Ein Beitrag zur Geognosie und Naturgeschichte der Vorwelt</i>. Braunschweig. I-XXXII, 1-86. , available online at https://archive.org/details/bub_gb_cqxAAAAAcAAJ
page(s): 56, pl. 10, fig. 2 [details]
basis of record
Sandberger, C.L.F. (1870-1875). <i>Die Land- und Süßwasser-Conchylien der Vorwelt</i>. C. W. Kreidel, Wiesbaden. [pp. 1-96, pl. 1-12 (1870); pp. 97-160, pl. 13-20 (1871); pp. 161-256, pl. 21-32 (1873); pp. 257-352, pl. 33-36 (1874); pp i-viii, 353-1000 (1875) according to Woodward, 1906]. , available online at https://biodiversitylibrary.org/page/49567154
page(s): 65 [details]
From editor or global species database
Type locality Obernkirchen ("Kunstschachte im Tiefbaureviere bei Obernkirchen"), Lower Saxony, Germany; Bückeberg Formation, late Berriasian to early Valanginian, early Cretaceous [details]