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 Calcarina spengleri (Gmelin, 1791) Figure 6.1-2 1788 Nautilus spengleri Gmelin , p. 3371. 2005 Calcarina spengleri (Gmelin) ; Renema and Hohenegger, p. 16, pl. 1, figs. 1-10; text-fig. 1. 2014 Calcarina spengleri (Gmelin) ; Panchang and Nigam, pl. 37, figs. 9a-b, 10a-b. Description. Test large, biconvex, side view lenticular, wall calcareous, coarsely perforate, surface ornamented with few, granulated calcitic knobs in the centre; chambers many, final chambers long, narrow and inflated, chamber arrangement trochospiral; periphery with long, tapering, blunt spines; sutures distinct only in the final chambers, slightly depressed on the spiral side, radial and depressed on the umbilical side; aperture not seen.