Triloculina echinata d’Orbigny, 1826

Figure 20.9-10

1826 Triloculina echinata d’Orbigny, p. 300, no. 14. 1999 Triloculina echinata d’Orbigny; Nigam and Khare, p. 292, pl. 3, fig. 5.

Description. Test subovate, somewhat broad than long, wall calcareous, imperforate, surface ornamented with regular rows of ridges; chambers slightly inflated, arranged in a triloculine plan; peripheral margin highly carinate, sutures slightly depressed; aperture terminal, round on a slightly produced neck, bordered by a distinct lip, with a short bifid tooth.