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 Rotalinoides compressiuscula (Brady, 1884) Figure 4.19-21 1884 Rotalia papillosa var. compressiuscula Brady , p. 708, pl. 107, fig. 1. 2015 Rotalinoides compressiuscula (Brady) ; Hanagata and Nobuhara, p. 119, fig. 35.11-12. Description. Test subcircular, wall calcareous, perforate, surface smooth; initial chambers indistinct, gradually increasing in size as added, chamber arrangement trochospiral, flattened to slightly convex on the dorsal side, triangular and convex on the ventral side; periphery lobulated with a thin keel, sutures initially beaded, arcuate on the spiral side, radial on the umbilical side; aperture narrow, slit-like openings at the basal end of the apertural face.