1. The Frasnian-Famennian boundary in the Southern Urals;Abramova;Geological Quarterly,2004
2. Upper Devonian conodonts and the Devonian–Mississippian boundary of north-central Iowa;Anderson;J. Paleontol.,1966
3. Devonskie konodonty tsentral'nogo Devonskogo Polya (Russkaya Platforma);Aristov;Akademiya Nauk SSSR, Geologicheskiy Institut, Trudy,1988
4. Ariunchimeg, Ya., Bayasgalan, A., Waters, J.A., Kido, E., Suttner, T.J., Sersmaa, G., Undariya, J., Otgonbaatar, D., 2014. IGCP 596 IGCP 580 Field Workshop Guidebook. 8–18th August, 2014, Ulaanbaatar, Mongolia. Paleontological Center, Mongolian Academy of Sciences, 1–55.
5. Icriodus and Polygnathus (Conodonts) from the Late Devonian of Eastern Iran, and Middle-Late Devonian of Northern Iran;Ashouri;JUST,2006