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 Fissurina orbignyana Seguenza, 1862 Figure 3.2 1862 Fissurina orbignyana Seguenza , p. 66, pl. 2, figs. 25-26. 2003 Fissurina orbignyana Seguenza ; Murray, p. 17, fig. 5.5-6. 2012 Fissurina orbignyana Seguenza ; Milker and Schmiedl, p. 79, fig. 19.13. Description. Test subrounded, wall calcareous, thickly perforated, surface ornamented with short spines; single-chambered; periphery with three prominent keels; aperture terminal, an irregular oval-shaped opening, bordered by a thick lip.