Nonionoides turgida (Williamson, 1858)

Figure 7.18

1858 Rotalina turgida Williamson, p. 50, pl. 4, figs. 95-97.

2003 Nonionella turgida (Williamson); Murray, p. 25, fig. 9.4-5.

2012 Nonionella turgida (Williamson); Milker and Schmiedl, p. 113, fig. 26.1-6.

Description. Test elongate, compressed, wall calcareous, finely perforate, surface smooth, apertural side with distinct flap-like projection; chambers distinct, long and narrow, chamber arrangement trochospiral, rapidly increasing in size; periphery rounded, slightly lobulate, sutures distinct, not much depressed, aperture interiomarginal, an equatorial slit-like opening.