1. Zoological Institute of the Russian Academy of Sciences, Universitetskaya nab. 1, 199034 Saint Petersburg, Russia,
2. Laboratory of Mesozoic and Cenozoic Continental Ecosystems, Tomsk State University, Prospekt Lenina 36, 634050 Tomsk, Russia;
3. Institute of Geology and Petroleum Technology, Kazan Federal University, Kremlevskaya Str. 4/5, 420008, Kazan, Russia;
4. Steinmann-Institut für Geologie, Mineralogie und Paläontologie, Universität Bonn, Nussallee 8, 53115 Bonn, Germany;
5. Borissiak Paleontological Institute of the Russian Academy of Sciences, Profsoyuznaya 123, 117997 Moscow, Russia;
6. Department of Organismal Biology and Anatomy, University of Chicago, 1027 E. 57th Street, Chicago, Illinois 60637, U.S.A.;
7. Vertebrate Zoology Department, Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russia;
8. Sharypovo Regional Museum, 2nd microrayon 10, Sharypovo, 662311 Krasnoyarsk Territory, Russia