Neogloboquadrina dutertrei (d’Orbigny, 1839a)

Figure 15.2-3

1839a Globigerina dutertrei, d’Orbigny, p. 84, pl. 4, figs. 19-21.

1983 Neogloboquadrina dutertrei (d’Orbigny); Kennett and Srinivasan, p. 198, pl. 48, figs. 7-9.

2010 Neogloboquadrina dutertrei (d’Orbigny); Ovechkina, Bylinskaya and Uken, p. 238, fig. 4E, 4F, 4H, 4I.

Description. Test robust, slightly compressed, wall calcareous, coarsely perforate, surface not ornamented with spines; chambers subglobular, gradually increasing in size as added, chamber arrangement trochospiral; periphery rounded, sutures distinct, depressed; aperture circular opening, umbilical.