FIGURE 1. Location and geological map of the Tanzanian Drilling Project Eocene/Oligocene boundary sites (TDP 11, 12 and 17), additional Tanzanian Drilling Project sites in the area are also shown, modified from Nicholas et al. (2006). After Cotton and Pearson, (2011).
FIGURE 2. Altaspiratella bearnensis (Curry, 1982); RGM 777374; 1: apical view, 2: apertural view. Bar equals 100 μm.
FIGURE 3. Heliconoides nikkieae sp. nov.; 1: Holotype, RGM 777415a, apertural view; 2: apertural view, specimen lost; 3: paratype 1, RGM 777415b, umbilical view; 4: paratype 3, RGM 777 381, umbilical view; 5: paratype 2, RGM 777415c, apical view. Figures 3-1, -2, -3 and -5 from the type locality, TDP 17.36.1, 10-25 cm; Figure 3-4 from TDP 17.21.1, 9-20 cm. Bar equals 100 μm.
FIGURE 4. Heliconoides nikkieae sp. nov.; holotype, RGM 777415a, 3dPDF. To download zipped file of all animated PDFs click here.
FIGURE 5. Limacina robusta (Eames, 195); RGM 777423b, apertural view. Bar equals 100 μm.
FIGURE 6. Limacina robusta (Eames, 1952), Holotype, Natural History Museum, London BM 68457. Rahki Nala (Pakistan, western Punjab); Kirthar Formation, Lower Chocolate Clays (late Lutetian - Priabonian); 1: apical, 2: apertural, 3: lateral view. Bar equals 100 μm.
FIGURE 7. Limacina tanzaniaensis sp. nov. 1: Holotype, apertural view, RGM 777428b, TDP 17.38.2, 22-29 cm; 2: paratype 1, apertural view, RGM 777438, TDP 17.36.2, 80-95 cm; 3: paratype 2, umbilical view, RGM 777416b, TDP 17.36.1, 10-25 cm; 4: paratype 3, apical view, RGM 777416c, same data as 3. Bar equals 100 μm.
FIGURE 8. Limacina tanzaniaensis sp. nov.; holotype, apertural view, RGM 777428b, 3dPDF. To download zipped file of all animated PDFs click here.
FIGURE 9. Limacina timi sp. nov.; 1: holotype, RGM 1007748b; 2: paratype 1, RGM 777408a; 3: paratype 2, RGM 777408b; 4: paratype 3, RGM 777414 m;. Apertural views. Bar equals 100 μm.
FIGURE 10. Limacina timi sp. nov.; holotype, RGM 1007748b, 3dPDF. To download zipped file of all animated PDFs click here.
FIGURE 11. Limacina sp. 1. 1: RGM 777440c; apical view; 2: RGM 777440b; apertural view. Bar equals 100 μm.
FIGURE 12. Limacina sp. 2, RGM 777373,; 1: apertural, 2: apical, 3: oblique apical, and 4: umbilical views. Bar equals 100 μm.
FIGURE 13. Bovicornu aff. eocenense Meyer, 1886; 1: RGM 777370, apertural view; 2: RGM 1007784, basal view. Bar equals 100 μm.
FIGURE 14. Holotypes of Bovicornu eocenense Meyer, 1886 (1, 2) and B. gracile Meyer, 1887 (3, 4). Shell height of 1 = 2.8 mm, of 2 = 2.7 mm; 2 and 4 are magnifications of 1 and 3, respectively. Photographs after Hodgkinson et al. (1992, pl. 7, figures 9-12).
FIGURE 15. Range chart of pteropods, combined data of TDP 11, 12 and 17, calibrated to composite depths. Basic stratigraphical data mainly from Pearson et al. (2008, figure 16).
