Plate XXIX
Figs. 1, 2, 3. Euchitonia triradiata Lipman sp. nov.; x180. Tyumen reference bore hole 1-R, dept 566-567 m. Santonian-Campanian, lower radiolarian assemblage.
Fig. 4. Histiastrum sp.; x180. Tyumen reference bore hole 1-R, dept 530 m. Santonian-Campanian, lower radiolarian assemblage.
Figs. 5, 6. Histiastrum tetracantum Lipman sp. nov.; x180. 5 - holotype, 6 - Tyumen reference bore hole 1-R, dept 514,90 m. Santonian-Campanian, lower radiolarian assemblage.
Figs. 7, 8. Histiastrum latum Lipman sp. nov.; x180. 7—Tyumen reference bore hole 1-R, dept 530 m; 8 - holotype, Leushi reference bore hole 1-Ð, dept 625 m. Santonian-Campanian, lower radiolarian assemblage. |