Globorotalia neoflexuosa (Srinivasan, Kenette and Bé, 1974)

Figure 15.1

1974 Globorotalia menardii subsp. neoflexuosa Srinivasan, Kenette and Bé, p. 322, pl. 1, figs. 1-2.

Description. Test large, compressed, peripheral view rounded, wall finely perforate, surface smooth; chambers slightly inflated, rapidly increasing in size as added, chamber arrangement low trochospiral, final chamber gently bent towards the umbilicus; periphery with imperforate keel, sutures slightly depressed on the dorsal side, depressed and nearly radial on the ventral side; aperture arch-shaped, bordered by a lip.