Nonionoides boueana (d'Orbigny, 1846)

Figure 7.19

1846 Nonionina boueana d’Orbigny, p. 108, pl. 5, figs. 11-12.

2014 Nonionoides boueanum (d’Orbigny); Panchang and Nigam, pl. 34, fig. 10a-c.

Description. Test broad, outline subcircular, wall calcareous, finely perforate, surface smooth, umbilical region depressed and filled with pustules; chambers many, inflated, gradually increasing in size; planispirally arranged, coiling involute; periphery slightly lobulate, sutures distinct and curved backwards, slightly depressed, limbate; aperture interiomarginal, a small, round opening at the basal end of the apertural side.