Hexacontium sp.

Popova, Irina M., Baumgartner, Peter O., Guex, Jean, Tochilina, Svetlana V. & Glezer, Zoya I., 2002, Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline), Geodiversitas 24 (1), pp. 7-59 : 35

Hexacontium sp. ( Fig. 11J, K )

GEOGRAPHIC DISTRIBUTION. — Voronesh Anticline.

STRATIGRAPHIC RANGE. — Middle to late Eocene (this study).

Figures

FIG. 11. — Middle-early late Eocene Radiolarian association, Pirogovo Village, Well 510C, 44.0 m; A, B, Anthocyrtidium pupa Clark & Campbell, 1942; C, Lophocyrtis aspera (Ehrenberg, 1873); D, Clathrospyris sandellae Goll, 1980; E, Callimitra clavipes (Clark & Campbell, 1945); F, Heterosestrum formosum bispinum (Tochilina, 1972) emend.; G, Theocorys anaclasta Riedel & Sanfilippo, 1970; H, Axoprunum visendum (Kozlova, 1966); I, Lophocyrtis ex. gr. Calocyclas semipolita Clark & Campbell, 1942; J, K, Hexacontium sp.; L, Lychnocanium sp. B; M Lophocyrtis norvegiensis (Bjørklund & Kellogg, 1972); N, Lophocyrtis auriculaleporis (Clark & Campbell, 1942); O, Lychnocanium sp. A; P, Desmospyris ex. gr. anthocyrtoides Bütschli, 1882. Scale bar: 100 µm.