Reussoolina laevis (Montagu, 1803)

Figure 2.24

1803 Vermiculum laeve Montagu, p. 524, pl. 1, fig. 9.

2008 Lagena laevis (Montagu); Riveiros and Patterson, p. 14, figs. 6.3a-b.

Description. Test flask-shaped with a rounded base and a subcylindrical neck; wall calcareous, finely perforate, surface smooth or with low costae developed on the basal half of the test; single-chambered; aperture terminal, round at the end of the neck, with a flared lip.