RUSSIAN JOURNAL OF EARTH SCIENCES VOL. 7, ES6003, doi:10.2205/2005ES000183, 2005

Plate 3. Figs. 1-3, 7a. Microfossils in petrographic slides. 1 - Slide 151-33;
2 - Slide 151-13; 3 - Slide 151-5; 7a - Slide 182-20-1-12.
Fig. 4. Floris stellatus Stan. Holotype. Preparation 887-1/20.
Figs. 5-8. Floris vitimus Stan. et Zhel. 5 - Preparation 887-1/16;
6 - Slide 150-34; 7 - Slide 182-20-1-12, 7a - general view,
7b - Floris vitimus Stan. et Zhel. in the mineral matrix;
8 - holotype, Preparation 887-3/18.
Figs. 9, 13. Floris radiatus Stan. 9 - Preparation 887-2/8;
13 - holotype, Preparation 887-3/17.
Fig. 10. Floris sp. Slide 151-34.
Fig. 11. Floris aff. vitimus Stan. et Zhel. Macerate 887-s-1 (SEM).
Fig. 12. Floris primitivus Stan. Holotype. Preparation 886-1/15.
Fig. 14. Synsphaeridium Eis. Slide 150-29.
Fig. 15. Bacterium (?) corroded form. Macerate 619-4 (SEM).
Fig. 16. Octoedryxium truncatum Rud. Preparation 887-1/17.
Fig. 17. Paracrassosphaera Rud. in Trestsh. Preparation 887-1/15.
Fig. 18. Centrum quadratum Stan. Preparation 887-2/1a.
Fig. 19. Bavlinella faveolata Schep. (sulfate-reducing bacteria).
Macerate 887-s-3 (SEM).
Fig. 20. Bottom bacteria forms. Slide 150-36.
Fig. 21. Leiosphaeridia sp. Macerate 619-3 (SEM).
The material is deposited in the Institute of the Earth's Crust,
Siberian Division, Russian Academy of Sciences, in Irkutsk.
Locality: East Siberia, BaikalÐMuya zone, Bol'shoi YakorÕ River,
Late Riphean, Yakor' Formation. Sources of illustrations: biological
preparations, petrographic slides, scanning electron microscopes (SEM).
Scale bars: single - 10
mm,
twofold - 100
mm.

Citation: Stanevich, A. M., V. K. Nemerov, Yu. K. Sovetov, E. N. Chatta, A. M. Mazukabzov, V. I. Perelyaev, and T. A. Kornilova (2005), Precambrian microfossil-characterized biotopes from the southern margin of the Siberian craton, Russ. J. Earth Sci., 7, ES6003, doi:10.2205/2005ES000183.
Copyright 2005 by the Russian Journal of Earth Sciences
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