For citations:

Tolokonnikova Z.A., Fedorov P.V., Mikhnenko D.M. A Classification of Protective Structures in Fossil Bryozoans. Uchenye Zapiski Kazanskogo Universiteta Seriya Estestvennye Nauki. 2024;166(2):342-367. (In Russ.) https://doi.org/10.26907/2542-064X.2024.2.342-367