Bolivina obscura He, Hu, and Wang 1965
Figure 10.11
1965 Bolivina obscura He, Hu, and Wang, pl. 7, figs. 1-3.
2014 Bolivina obscura He, Hu, and Wang; Panchang and Nigam, pl. 23, fig. 5.
Description. Test broad, compressed laterally, outline V-shaped, wall calcareous, finely perforate; chambers rapidly increasing in size, final chambers more inflated, biserially arranged; periphery acute and slightly lobulate, sutures distinct, depressed; aperture low, terminal opening.