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
Lenticulina orbicularis
(d’Orbigny, 1826)
Figure 2.6-7
1826
Robulina orbicularis
d’Orbigny
, p. 288, pl. 15, figs. 8-9.
2010
Lenticulina orbicularis
(d’Orbigny)
; Margreth, p. 150, pl. 12, fig. 8a-b.
2012
Lenticulina orbicularis
(d’Orbigny)
; Debenay, p. 224.
2012
Lenticulina orbicularis
(d’Orbigny)
; Milker and Schmiedl, p. 73, figs. 18.19-20.
Description.
Test rounded, strongly biconvex, peripheral view lenticular, wall finely perforate, surface smooth, umbo prominent; chambers many, narrow; periphery with a thick keel, sutures strongly curved; aperture terminal, radiate, with a slit on the apertural side.