Globigerinella calida (Parker, 1962)

Figure 13.10-11

1962 Globigerina calida Parker, p. 221, pl. 1, figs. 9-13, 15.

1983 Globigerinella calida (Parker); Kennet and Srinivasan, p. 240, pl. 60, figs. 7-9.

2010 Globigerinella calida (Parker); Ovechkina, Bylinskaya and Uken, p. 242, fig. 6G-6I.

Description. Test trochoid, wall perforate, surface ornamented with spines; chambers spherical initially, slightly radially elongate later, increase in size as added, chamber arrangement slightly trochospiral; periphery lobulated, sutures depressed; aperture high umbilical arch, with a narrow lip.