Fig. 4 in Upper Burdigalian-Middle Sarmatian Calcareous Nannofossils From Totea-Văleni Area (Getic Depression, Romania)

Fig. 4 Lower to middle Badenian calcareous nannofossils: a Discoaster variabilis Martini & Bramlette (TO-2 borehole, NII); b Helicosphaera wallichii (Lohmann) Boudreaux & Hay (TO-2 borehole, N+); c, d Sphenolithus heteromorphus Deflandre (RA-1 borehole, c – N+, 0o, d – N+, 45o); e, f Pontosphaera discopora Schiller (RA-1 borehole, e – N+, f – NII), g Reticulofenestra haqii Backman (CO-1 borehole, N+); h Reticulofenestra pseudoumbilicus (Gartner) Gartner (CO-1 borehole, N+); i Umbilicosphaera jafari Müller (TO-2 borehole, NII); j Umbilicosphaera rotula (Kamptner) Varol (TO-2 borehole, NII).图4 巴登阶下-中部钙质超微化石：a 变异盘星藻（Discoaster variabilis）Martini与Bramlette（TO-2钻孔，NII）；b 沃利奇旋球藻（Helicosphaera wallichii）(Lohmann) Boudreaux与Hay（TO-2钻孔，N+）；c、d 异形楔石藻（Sphenolithus heteromorphus）Deflandre（RA-1钻孔，c – N+，0°，d – N+，45°）；e、f 盘孔桥石藻（Pontosphaera discopora）Schiller（RA-1钻孔，e – N+，f – NII）；g 哈氏网面球藻（Reticulofenestra haqii）Backman（CO-1钻孔，N+）；h 假脐网面球藻（Reticulofenestra pseudoumbilicus）(Gartner) Gartner（CO-1钻孔，N+）；i 贾法尔脐球藻（Umbilicosphaera jafari）Müller（TO-2钻孔，NII）；j 轮形脐球藻（Umbilicosphaera rotula）(Kamptner) Varol（TO-2钻孔，NII）。