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. Borissiak Paleontological Institute of the Russian Academy of Sciences, Profsoyuznaya 123, 117997 Moscow, Russia,
4. Department of Vertebrate Zoology, Saint Petersburg State University, Universitetskaya Nab. 7/9, 199034 Saint Petersburg, Russia, , ,