Mita cf. regina ( Campbell & Clark, 1944 )

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 : 40-41

Mita cf. regina ( Campbell & Clark, 1944) ( Fig. 9X, Y )

(?) Lithomitra regina Campbell & Clark, 1944: 41 , pl. 8, figs 30, 38, 40(?).

Dictyomitra regina – Foreman 1968: 68, pl. 8, fig. 5a-c. — Johnson 1974: pl. 1, fig. 5.

Dictyomitra cf. regina – Dumitrica 1973: 789, pl. 8, fig. 9. — Riedel & Sanfilippo 1974: 778, pl. 15, figs 1-3.

Archaeodictyomitra (?) regina – Pessagno 1975: 1016, pl. 4, figs 11, 12; 1976: 49, pl. 14, figs 1-3. — Ling & Lazarus 1990: 355, pl. 2, figs 1, 2.

Dictyomitra (?) sp. aff. regina – Petrushevskaya & Kozlova 1972: 550, pl. 8, fig. 11.

Mita regina – Taketani 1982: 60, pl. 5, fig. 3a, b; pl. 12, fig. 2. — Iwata & Tajika 1986: pl. 2, fig. 9. — Hollis 1991: 119, pl. 16, figs 1-5; 1993: 324; 1997: 70, pl. 17, figs 1-4, 10.

Siphocampe minuta – Kozlova 1999: 141, pl. 18, fig. 9. GEOGRAPHIC DISTRIBUTION. — California, Antarctic, Japan, New Zealand, Russian Platform, Siberia.

STRATIGRAPHIC RANGE. —Of M. regina : Campanian- Maastrichtian ( Campbell & Clark 1944; Foreman 1968; Ling & Lazarus 1990); Campanian-early Paleocene, Hokkaido ( Iwata & Tajika 1986); Maastrichtian to late Paleocene ( Hollis 1997); early Eocene ( Kozlova 1999); (?)late Paleocene-early Eocene (this study).

Figures

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.