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Afanasieva 2000


PLATE 10.
Main three-edged spines with Y-shaped basal cross-section of the subfamilies
Pluristratoentactiniinae, Spongopolyentactiniinae, Bientactinosphaerinae and Astroentactiniinae
Upper Devonian, Middle Frasnian, Domanik Formation. Borehole Shuda-Yag-1003: fig. 1, 8 - sample 73 (depth 71.4-71.9 m), fig. 2, 5 - sample 8 (depth 120.9-124 m), fig. 3 - sample 69 (depth 73-73.3 m), fig. 6 - sample 56 (depth 81.6-83 m), fig. 7 - sample 68 (depth 73.3-73.5m), fig. 9 - sample 34 (depth 104.1-104.6 m); borehole Ukhtinskaya-3B: fig. 4 - sample 114 (depth 104.2-104.7 m).

Fig. 1. Meschedea crassicortex Won, FF-P001/121-08714 (bar=15Ám).
Fig. 2. Spongentactinella veles (Foreman), FF-P001/065-04129 (=15Ám).
Fig. 3. Ornatoentactinia solita Afanasieva, sp. nov., FF-P001/043-04825 (=15Ám).
Fig. 4, 5. Bientactinosphaera morozovi Afanasieva, sp. nov.: 4 - FF-P001/116-09212 (=9Ám); 5 - FF-P001/116-04122 (=12Ám).
Fig. 6. Bientactinosphaera symphypora (Foreman), FF-P001/135-04608 (=20Ám).
Fig. 7. Bientactinosphaera miletenkoi Afanasieva, sp. nov., FF-P001/022-04813 (=27Ám).
Fig. 8. Moskovistella lucet Afanasieva, sp. nov., FF-P001/054-08806 (=18Ám).
Fig. 9. Moskovistella octoradiata Afanasieva, sp. nov., FF-P001/114-11001 (=18Ám).