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Afanasieva 2000


PLATE 135.
Sponge spicules (Triaxonida? sp.406 and sp.407),
Upper Devonian, Frasnian, Timan-Pechora Basin
Upper Devonian: fig. 1-4, 7, 8 - Middle Frasnian, Domanik Formation; fig. 5, 6 - Upper Frasnian; fig. 9, 10 Lower Frasnian. Borehole Shuda-Yag-1003: fig. 1 - sample 78 (depth 68.4-69.3 m), fig. 2 - sample 28 (depth 106-107 m), fig. 3 - sample 56 (depth 81.6-83 m); borehole Ukhtinskaya-3B: fig. 4 - sample 158 (depth 69.6-70.4 m); the Ukhta River, sampling site no. 1, sample 7001: fig. 5, 6; the Lyajol River, outcrop no. 1904, sample 6: fig. 7, 8; the Chut River, outcrop 7, sample 1,26: fig. 9, 10.

Fig. 1, 2. Triaxonida? sp.406: 1 - FF-P003/406-05114 (bar=56Ám); 2 - FF-P003/406-04219 (=50Ám).
Fig. 3-10. Triaxonida? sp.407: 3 - FF-P003/407-04612 (=50Ám); 4 - FF-P003/407-08906 (=77Ám); 5, 6 FF-P003/407-13731: 5 - (=40Ám), 6 - detail (=10Ám); 7, 8 FF-P003/407-09817, 7 - (=67Ám), 8 - detail (=10Ám); 9, 10 FF-P003/407-12317, 9 - (=32Ám), 10 - detail (=10Ám).