Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India Author Symphonia, Tabita K. Author Senthil, Nathan D. text Palaeontologia Electronica 2019 55 A 2019-09-30 22 3 1 89 http://dx.doi.org/10.26879/811 journal article 10.26879/811 1094-8074 10961656 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.