Reference

Günter Schweigert, Volker Dietze, Robert B. Chandler, Vasily Mitta (2007): Revision of the Middle Jurassic dimorphic ammonite genera Strigoceras/Cadomoceras (Strigoceratidae) and related forms – Stuttgarter Beiträge Naturkunde Serie B [Paläontologie] – 373_B: 1 - 74.