Desmospyris, 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 : 31

Desmospyris ex. gr. anthocyrtoides Bütschli, 1882 ( Figs 11P ; 14B )

GEOGRAPHIC DISTRIBUTION. — Voronesh Anticline.

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

Genus Dictyoprora Haeckel, 1881 sensu Nigrini 1977

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.

FIG. 14. — A-I, Early and middle Eocene Radiolaria; A, Desmospyris anthocyrtoides (Bütschli, 1882), o/p 1, interval 35.5-39.3 m; B, Desmospyris sp. aff. anthocyrtoides Bütschli, 1882, o/p 1, interval 35.5-39.3 m; C, D, Thecosphaera magnaporulosa (Clark & Campbell, 1942), Well 510C, interval 40.0 m; E, Trypansosphaera sp. aff. Conosphaera abstrusa Moksyakova, 1970, o/p 294/7, interval 9.3 m; F, Theocyrtis litos (Clark & Campbell, 1945), o/p 294/2, interval 4.2 m; G, Theocyrtis scolopax (Ehrenberg, 1875), o/p 294/1, interval 3.2 m; H, Tholospyris acuminata Hertwig, 1879, o/p 294/6, interval 8.3 m; I, Tripodiscium sp., o/p 294/7, interval 9.3 m; J-T, middle-early late Eocene Radiolarian association from Sergeevka Village, o/p 1, interval 35.5-39.3m; J, Phormocyrtis sp. aff. embolum (Ehrenberg, 1873); K, Calocyclas extensa contracta Clark & Campbell, 1942; L, Druppatractus trichopterus Clark & Campbell, 1942; M, Pterocodon lex Sanfilippo & Riedel, 1979; N, Q, Ceratocyrtis stigi (Bjørklund, 1976); O, Amphisphaera megaxyphos megaxyphos (Clark & Campbell, 1942); P, Porodiscus sp.; R, S, Thecosphaera californica Clark & Campbell, 1942; T, Ceratocyrtis charlestonensis (Clark & Campbell, 1945). Scale bars: A, B, J-T, 100 mm; C-I, 50 µm.