1. 1Department of Geosciences, Boise State University, 1910 University Drive, Boise, Idaho 83725, USA
2. 2Institute of Petroleum Geology and Geophysics, Prospekt Ac. Koptjuga 3, Novosibirsk 630090, Russia
3. 3Diamond and Precious Metal Geology Institute, Siberian Branch, Russian Academy of Sciences, 39 Lenina Prospect, Yakutsk 677891, Russia
4. 4Paleontological Institute RAS, Profsouznaya 123, Moscow 117647, Russia