FIG. 13 in Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline)

FIG. 13. — Middle Eocene Radiolarian association, Pirogovo Village, Well 510C, interval 44.0 m; A, F, Lophocyrtis aspera (Ehrenberg, 1873); B, O, Calocyclas talwanii Bjørklund & Kellogg, 1972; C, D, Anthocyrtidium pupa Clark & Campbell, 1942; E, I, L, Calocycletta sp. aff. virginis Haeckel, 1887; G, H, Lophocyrtis norvegiensis (Bjørklund & Kellogg, 1972); J, K, Lophocyrtis auriculaleporis (Clark & Campbell, 1942); M, Lophocyrtis sinitzini (Lipman, 1949) sensu Kozlova 1999; N, Phormocyrtis sp. aff. proxima Clark & Campbell, 1942. Scale bars: A-H, J-N, 100 mm; I, O, 50 µm.