Ammonia tepida (Cushman, 1926)

Figure 4.11-12

1926 Rotalia beccarii (Linnaeus) var. tepida Cushman, p. 79, pl. 1.

2006 Ammonia tepida (Cushman); Oflaz, p. 231, pl. 9, figs. 13-15.

2012 Ammonia tepida (Cushman); Debenay, pp. 185-186.

2014 Ammonia tepida (Cushman); Panchang and Nigam, pl. 36, fig. 11a-c.

Description. Test small, biconvex, wall calcareous, densely perforate, surface smooth; chambers more inflated, subspherical on the spiral side, trochospirally arranged, gradually increasing in size as added; periphery slightly lobulated, broadly rounded, sutures almost straight, slightly depressed on the spiral side, radial, and more depressed on the umbilical side; umbilical plug missing; aperture terminal, an ovate slit-like opening.