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
Nonionellina labradorica
(Dawson, 1860)
Figure 7.15
1860
Nonionina labradorica
Dawson
, p. 191, text-fig. 4.
2008
Nonionellina labradorica
(Dawson)
; Riveiros and Patterson, p. 29, fig. 12.7a-c.
2010
Nonionellina labradorica
(Dawson)
; Margreth, p. 123, pl. 36, fig. 4.
2014
Nonionellina labradorica
(Dawson)
; Panchang and Nigam, pl. 34, figs. 8a-c, 9a-c.
Description.
Test small, symmetrical on both sides, wall calcareous, finely perforate, surface smooth, granular pustules along the sutures, apertural side and the umbilicus; chambers few, rapidly increasing in size, planispirally arranged, coiling involute; periphery subacutely rounded, sutures distinct, curved and very slightly depressed; aperture an interiomarginal, narrow slit at the base of a broadly triangular apertural face.