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
Elphidium advenum
var.
depressulum
Cushman, 1933
Figure 6.7
1933
E lphidium
advenum
(Cushman) var.
depressulum
Cushman
, p. 51, pl. 12, fig. 4a-b.
1939a
Elphidium advenum
(Cushman) var.
depressulum
Cushman
, p. 61, pl. 17, fig.1.
Description.
Test large, wall calcareous, finely perforate, surface smooth, pustular sutrues and umbilicus; chambers few, broad, inflated, planispirally arranged, coiling involute; umbilical region depressed, no definite boss, with a few large pits; periphery more lobulated, with a more prominent keel, sutures slightly curved and distinct, retral processes distinct, rod-like; aperture interiomarginal, multiple at the base of apertural face.