Lagena substriata Williamson, 1848

Figure 2.20

1848 Lagena substriata Williamson, p. 15, pl. 2, fig. 12.

2003 Lagena substriata Williamson; Murray, p. 17, fig. 5.7.

Description. Test subglobular, wall calcareous, finely perforate, surface ornamented with long striae, base with short spines; single-chambered; aperture terminal, round at the end of a long neck twisted at the base.