Reference
Volker Dietze, Robert B. Chandler, Günter Schweigert (2022): Biostratigraphy of the Aalener Flöz (“Oberes Flöz”) at the type locality of the Eisensandstein Formation (Upper Aalenian, Middle Jurassic) at Aalen-Wasseralfingen (E Swabian Alb, SW Germany) – Palaeodiversity – 15: 91 - 109.