Authors Year Title
Becker 2000 Taxonomy, evolutionary History and Distribution of the middle to late Famennian Wocklumeriina (Ammonoidea, Clymeniida).
Mitteilungen des Museums für Naturkunde Berlin, Geowissenschaftliche Reihe, 3: 27-75, 5 pls., 12 figs., 4 tabls., Berlin.
Perna 1914 Ammonei verkhnego neodevona vostochnogo sklona Urala.
Trudy Geologicheskogo Komiteta, nov. ser., 99: 1-114, pl.1-4.