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.