Figure 9.11 1879 b Sagrina virgula Brady, p. 275, pl. 8, figs. 19 - 21. 2001 Allassoida virgula (Brady); Szarek, p. 127, pl. 17, fig. 14. 2012 Allassoida virgula (Brady); Debenay, p. 197. 2014 Siphogenerina virgula (Brady); Panchang and Nigam, pl. 25, fig. 32. Description. Test long, straight, aboral end bluntly tapering, wall calcareous, perforate, surface ornamented with short, sharp spines; chambers rapidly increasing in size, chamber arrangement trochospiral initially, later chambers uniserially arranged, globular, final chamber pyriform; aperture terminal, broadly round, slightly produced, bordered by a distinctly reversed lip.
Sumber: Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India