Stilostomelloides virgula (Brady, 1879b)

Figure 9.11

1879b 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.