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Lipman 1960


Plate XXVII
Figs. 1, 2, 3, 4, 5. Spongoprunum articulatum Lipman; x]80. I-5 - Tyumen reference bore hole 1-R: 1, 2 - dept 530 m; 3 -typical specimen, dept 529,5 m; 4 - dept 530 m, 5 - dept 530 m. Santonian-Campanian, lower radiolarian assemblage.

Figs. 6, 7, 8, 9, 10. Porodiscus vulgaris Lipman; x180. 6-8 - Tyumen reference bore hole 1-R: 6 - dept 514,90 m, 8 - dept 547,1 m. Santonian-Campanian, lower radiolarian assemblage, 7 - dept 580-581 m, Coniacian? 9, 10 - typical specimen, 9 - outer view of skeleton, 10 - inner structure. Berezovo reference bore hole 1-R, dept 239,70 m. Santonian-Campanian, lower radiolarian assemblage.