Globigerinoides ruber (d’Orbigny, 1839a)

Figure 13.19-20

1839a Globigerina rubra d’Orbigny, p. 82, pl. 4, figs. 12-14.

1983 Globigerinoides ruber (d’Orbigny); Kennett and Srinivasan, p. 78, pl. 10, figs. 6; pl. 17, figs. 1-3.

2010 Globigerinoides ruber (d’Orbigny); Ovechkina, Bylinskaya and Uken, p. 245, fig. 9A- 9E.

Description. Test small, wall calcareous, coarsely perforate, surface ornamented with spines; chambers subglobular, of uniform size, chamber arrangement trochospiral; periphery rounded, sutures distinct, depressed; primary aperture semicircular, above the suture of two chambers.