Template:Zhelezko & Kozlov, 1999
- Zhelezko, V.I. & Kozlov, V.A. 1999. Elasmobranhii i biostratigraphia paleogena Zauralia i Srednei Asii. (Elasmobranchii and Palaeogene biostratigraphy of Transural and Central Asia). Materialy po stratigrafii i paleontologii Urala 3: 324 pp, Ekaterinburg: UrO RAN.