Lithostrobus picus ( Ehrenberg, 1875 )

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 : 37

Lithostrobus picus ( Ehrenberg, 1875) ( Figs 7K ; 9E )

Eucyrtidium picus Ehrenberg, 1875 : pl. 11, fig. 1.

Lithostrobus picus – Kozlova 1999: pl. 15, fig. 18.

GEOGRAPHIC DISTRIBUTION. — Barbados, Voronesh Anticline.

STRATIGRAPHIC RANGE. — (?)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.

FIG. 9. — Early Eocene Radiolarian association, Petropavlovka Village, Well 730-C, interval 44.3 m; A, B, F, G, Phormocyrtis sp. aff. proxima Clark & Campbell, 1942; C, D, Pterocodon ampla longispina (Clark & Campbell, 1942) n. comb.; E, Lithostrobus picus (Ehrenberg, 1875); H, Pterocodon ex. gr. ampla (Brandt, 1936); I, J, Pterocodon ampla (Brandt, 1936); K, L(?), Petalospyris tumidula Kozlova, 1966; M, N, Phormocyrtis sp.; O, P, Rhopalocanium pyramis (Haeckel, 1887); Q, Rhopalocanium satelles (Kozlova, 1966); R-T, Dictyoprora urceolus Haeckel, 1887; U, V, Petalospyris sp. aff. septenaria Kozlova, 1966; W, Lychnocanoma cf. bellum Clark & Campbell; X, Y, Mita cf. regina (Campbell & Clark, 1944). Scale bars: 100 µm.