Massilina laevigata (Cushman and Todd, 1944)

Figure 17.9

1944 Spiroloculina laevigata Cushman and Todd, p. 67, pl. 9, figs. 26-29.

2014 Spiroloculina laevigata (Cushman and Todd); Panchang and Nigam, pl. 6, fig. 19a-b.

Description. Test large, robust, lateral view fusiform, wall calcareous, imperforate, surface smooth; chambers initially compressed, final chambers inflated, chamber arrangement spiroloculine, gradually increasing in size as added; periphery broadly rounded, sutures distinct and very depressed; aperture terminal, round at the end of a short neck, weakly rimmed, with a simple bifid tooth.