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
Sphaeroidinella dehiscens
(Parker and Jones, 1865)
Figure 14.9-10
1865
Sphaeroidinella bulloides
d’Orbigny var.
dehiscens
Parker and Jones
, p. 369, pl. 19, fig. 5a-b.
2010
Sphaeroidinella dehiscens
(Parker and Jones)
; Ovechkina, Bylinskaya, and Uken, p. 248, fig. 9F, 9G.
Description.
Test large, ovoid, outline weakly lobulate, wall calcareous, coarsely perforate, surface smooth and glossy in adults; chambers globular, rapidly increasing in size as added, chamber arrangement trochospiral, coiling tight, periphery broadly rounded, sutures depressed initially, later obscured by surface cortex in adults; aperture interiomarginal, umbilical in juveniles, slit-like in adults, with a continuous crenulated lip along the cortical margins.