Globorotalia ungulata Bermúdez, 1961

Figure 14.19-20

1961 Globorotalia ungulata Bermúdez, p. 1304, pl. 15, fig. 6a-b.

2010 Globorotalia ungulata Bermúdez; Ovechkina, Bylinskaya and Uken, p. 236, figs. 3C, 3F, 3I.

Description. Test small, biconvex, wall calcareous, perforate, surface smooth; chambers flat on the spiral side, inflated and subtriangular on the ventral side, chamber arrangement trochospiral, final chamber with a large umbilical flap; periphery with thin keel, sutures curved on the spiral side, radial on the ventral side; aperture interiomarginal, umbilical, low, slit-like opening at the basal end of the large flap with a plate-like lip.