Radiolarian biostratigraphy of Paleogene deposits of the Russian Platform (Voronesh Anticline) Author Popova, Irina M. Institute of Geology and Paleontology, University of Lausanne, BFSH- 2 (Switzerland) Irina. Popova @ igp. unil. ch Centro di Studio di Geologia dell’Appennino e delle catene Perimediterranee, via la Pira 4, Firenze (Italy) opova@igp.unil.ch Author Baumgartner, Peter O. Institute of Geology and Paleontology, University of Lausanne, BFSH- 2 (Switzerland) Peter. Baumgartner @ igp. unil. ch aumgartner@igp.unil.ch Author Guex, Jean Institute of Geology and Paleontology, University of Lausanne, BFSH- 2 (Switzerland) Jean. Guex @ igp. unil. ch uex@igp.unil.ch Author Tochilina, Svetlana V. Pacific Oceanological Institute, Vladivostok (Russia) Author Glezer, Zoya I. Union Geological Institute (VSEGEI), Sredny pr. 74, Saint-Petersburg (Russia) text Geodiversitas 2002 24 1 7 59 journal article 10.5281/zenodo.5375608 1638-9395 5375608 Lithomelissa sp. aff. ehrenbergi Bütschli, 1882 ( Fig. 17E ) Lithomelissa ehrenbergi Bütschli, 1882: 517 , taf. 33, fig. 21. Lithomelissa sp. aff. ehrenbergi – Chen 1975: 458 , pl. 11, figs 1, 2. Sethoconus parvus – Gorbunov 1979 : pl. 15, fig. 3. GEOGRAPHIC DISTRIBUTION. — Of Lithomelissa ehrenbergi : Barbados , Voronesh Anticline. S TRATIGRAPHIC RANGE. — Of L . ehrenbergi : Eocene (Bütschli 1882) ; of Lithomelissa sp. aff. ehrenbergi : lower to upper Miocene ( Chen 1975 ); late Eocene ( Gorbunov 1979 ); middle Eocene (this study). REMARKS The first segment of the holotype is larger than that of the specimen we observed in the collection.