Clathrocyclas, Haeckel, 1881

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 : 29

Clathrocyclas ex. gr. universa Clark & Campbell, 1942 ( Fig. 7N )

Clathrocyclas universa Clark & Campbell, 1942: 86 , pl. 7, figs 11, 14, 20 (not 19). — Chen 1975: 459, pl. 1, figs 2, 3. — Blueford 1988: 244, 246, pl. 2, figs 1-3. — Takemura 1992: 745, pl. 7, fig. 11.

Anthocyrtella sp. – Kozlova 1999: pl. 18, fig. 3.

GEOGRAPHIC DISTRIBUTION. — California, Antarctic, southern Indian Ocean, Western Siberia, Voronesh Anticline.

STRATIGRAPHIC RANGE. — Late middle Eocene ( Clark & Campbell 1942; Blueford & White 1984; Blueford 1988); Eocene (upper Eocene?) ( Chen 1975); Eocene ( Takemura 1992); early Eocene ( Kozlova 1999); (?)late Paleocene-early Eocene (this study).

Figures

FIG. 7. — Early Eocene Radiolarian association, Petropavlovka Village, well 730, interval 44,3 m; A, B, Petalospyris sp. aff. argiscus Ehrenberg,1875; C, D, Petalospyris (?) sp.;E, F, Pterocodon ampla (Brandt,1936); G, Lychnocanoma bellum longipes (Kozlova,1966); H, Podocyrtis cf. papalis Ehrenberg, 1875; I, Lychnocanoma sp. aff. bandyca Mato & Theyer, 1980; J, Cycladophora cf. Pterocorys bicornis Popofsky, 1908; K, Lithostrobus picus (Ehrenberg,1875); L, Amphisphaera megaxyphos trixyphos (Clark & Campbell, 1942); M, Amphymenium splendiarmatum Clark & Campbell, 1942; N, Clathrocyclas ex. gr. universa Clark & Campbell, 1942; O, Prunopyle sp. aff. ovata Kozlova, 1966; P, Plectodiscus circularis (Clark & Campbell, 1942); Q, Petalospyris argiscus Ehrenberg, 1875; R, Anthocyrtidium sp. aff.pupa Clark & Campbell, 1942;S, Ommatogramma biconstrictus (Lipman,1953).Scale bars:100 µm.