For citations:
Baraboshkin E.Yu., Arkadiev V.V., Guzhikov A.Yu., Baraboshkin E.E. Tirnovella occitanica Zone of the Berriasian in the Feodosia region (Eastern Crimea). Moscow University Bulletin. Series 4. Geology. 2019;(1):26-37. (In Russ.) https://doi.org/10.33623/0579-9406-2019-1-26-37