PLATE 53.
Upper Devonian: fig. 1-3, 6-8 - Upper Frasnian; fig. 4, 5, 9, 10 - Middle Frasnian, Domanik Formation. Borehole Vapovskaya-2056: fig. 1-3, 6-8 - sample 11 (depth 72 m); borehole Ukhtinskaya-3B: fig. 4, 5, 9, 10 - sample 158 (depth 69.6-70.4 m).
Fig. 1-10. Bientactinosphaera obtusa (Hinde): 1, 2 - FF-P001/134-13436, 1 - detail (bar=20µm), 2 - (=77µm); 3 - FF-P001/134-13631 (=77µm); 4, 5 - FF-P001/134-09313, 4 - (=50µm), 5 - detail (=15µm); 6, 7 - FF-P001/134-13605, 6 - (=63µm), 7 - detail (=20µm); 8 - FF-P001/134-13627 (=67µm); 9, 10 - FF-P001/134-09423, 9 - (=67µm), 10 - detail (=15µm).
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