Spiroloculina lucida Cushman and Todd, 1944

Figure 21.15

1944 Spiroloculina lucida Cushman and Todd, p. 70, pl. 9, figs. 30-31.

1961 Spiroloculina lucida Cushman and Todd; Huang, p. 85, pl. 2, fig. 31.

Description. Test broad, ovate, side view fusiform, wall porcelaneous, imperforate, surface smooth; chambers many, margins slightly convex, periphery broadly rounded, sutures distinct and depressed; aperture terminal, subcircular on a neck, bordered by a thick rim, with a simple bifid tooth.