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Vladimir V. Silantiev – Dr. Sci. (Geology and Mineralogy), Head of the Department of Paleontology and Stratigraphy, Institute of Geology and Petroleum Technologies, Kazan (Volga Region) Federal University; Branch of the Kazan (Volga Region) Federal University in the city of Jizzakh
18, Kremlevskaya st., Kazan, 420008, Russian Federation
e-mail: Vladimir.Silantiev@kpfu.ru 

Yaroslav M. Gutak – Dr. Sci. (Geology and Mineralogy), Professor, Head of the Department of Geology, Geodesy and Life Safety, Institute of Mining and Geosystems, Siberian State Industrial University; Kazan (Volga Region) Federal University
42, Kirova st., Novokuznetsk, 654007, Russian Federation

Marion Tichomirowa – Dr. rer. nat., Head of the Isotopic Geochemistry & Geochronology Laboratories, Institute of Mineralogy, Technische Universität Bergakademie Freiberg
6, Akademiestraße, Freiberg, 09599, Germany

Anna V. Kulikova – Cand. Sci. (Geology and Mineralogy), Researcher, Laboratory of Geodynamics and Magmatism, Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences; Kazan (Volga Region) Federal University
3, Аk. Koptyug ave., Novosibirsk, 630090, Russian Federation

Anastasia S. Felker – Cand. Sci. (Geology and Mineralogy), Junior Researcher, Arthropod Laboratory, Borissiak Paleontological Institute of the Russian Academy of Sciences; Kazan (Volga Region) Federal University
123, Profsoyuznaya st., Moscow, 117997, Russian Federation

Milyausha N. Urazaeva – Cand. Sci. (Geology and Mineralogy), Assistant Professor, Department of Paleontology and Stratigraphy, Institute of Geology and Petroleum Technologies, Kazan (Volga Region) Federal University
18, Kremlevskaya st., Kazan, 420008, Russian Federation

Lyubov G. Porokhovnichenko – Cand. Sci. (Geology and Mineralogy), Research Engineer, Laboratory of Micropaleontology, Faculty of Geology and Geography, Tomsk State University; Kazan (Volga Region) Federal University
36, Lenin ave., Tomsk, 634050, Russian Federation

Evgeniy V. Karasev – Cand. Sci. (Biology), Senior Researcher, Laboratory of Paleobotany, Borissiak Paleontological Institute of the Russian Academy of Sciences; Kazan (Volga region) Federal University
123, Profsoyuznaya st., Moscow, 117997, Russian Federation

Aleksandr S. Bakaev – Cand. Sci. (Geology and Mineralogy), Researcher, Laboratory of Paleoichthyology, Borissiak Paleontological Institute of the Russian Academy of Sciences; Kazan (Volga region) Federal University
123, Profsoyuznaya st., Moscow, 117997, Russian Federation

Veronika V. Zharinova – Cand. Sci. (Geology and Mineralogy), Senior Lecturer, Department of Paleontology and Stratigraphy, Institute of Geology and Petroleum Technologies, Kazan (Volga Region) Federal University; Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences
18, Kremlevskaya st., Kazan, 420008, Russian Federation

Maria A. Naumcheva – Cand. Sci. (Geology and Mineralogy), Junior Researcher, Laboratory of Protistology, Borissiak Paleontological Institute of the Russian Academy of Sciences; Kazan (Volga region) Federal University
123, Profsoyuznaya st., Moscow, 117997, Russian Federation