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 Spiroloculina depressa d’Orbigny, 1826 Figure 21.9 1826 Spiroloculina depressa d’Orbigny ; p. 298, no.1. 2001 Spiroloculina depressa d’Orbigny ; Szarek, p. 101, pl. 11, fig. 17. 2006 Spiroloculina depressa d’Orbigny ; Oflaz, pp. 151-152, pl. 11, fig. 6. Description. Test robust, wall porcelaneous, imperforate, surface smooth; chambers arcuate, gradually increasing in size as added, opposite sides of the chambers very concave; peripheral margin convex, sutures distinct and very much depressed; aperture terminal, circular, at the end of a thick neck, with a simple tooth, bordered by a lip.