Authors Year Title
Leonova 1992 Ammonoidei. In: Leven,E.Ya., Leonova,T.B. & Dmitriev,V.Yu.: Perm' Darvaz-Zaalaiskoi zony Pamira: fuzulinidy, ammonoidei, stratigrafiya.
Trudy Paleontologicheskogo Instituta Rossiyskaya Akademiya Nauk, 253: 110-167, pl.29-32, figs.24-46; Moskva.
Leonova & Boiko 2011 Reviziya Permskogo Semeystva Ammonoidey Thalassoceratidae Hyatt [Revision of the Permian Ammonoid Family Thalassoceratidae Hyatt]
Paleontological zhurnal, no. 6, pp. 7-16 [Paleontological Journal, vol. 45, no. 6, pp. 599–608].