1. Chapter 9. Conodonta;Alekseev,2001
2. Conodont zonation for the type Kasimovian and Gzhelian stages in the Moscow Basin, Russia;Alekseev,2007
3. Stratigraphy of the lower Moscovian Substage (Middle Carboniferous) of central Russia according to conodonts;Alekseev;Mosc. Univ. Geol. Bull.,1994
4. Chapter 23. The Carboniferous Period;Aretz,2020
5. Latest Moscovian to earliest Gzhelian (Pennsylvanian) conodont faunas from the Naqing (Nashui) section, South Guizhou, China;Barrick,2010