Spiroloculina antillarum d’Orbigny, 1839b

Figure 21.6

1839b Spiroloculina antillarum d’Orbigny, p. 166, pl. 9, figs. 3-4.

2012 Spiroloculina antillarum d’Orbigny; Debenay, p. 132.

Description. Test elongate, twice as long as broad, wall calcareous, imperforate, surface adorned with continuous, long costae throughout; chambers slightly biconcave, ovate in cross section; periphery carinate, sutures distinct, well depressed; aperture terminal, round on a long neck, bordered by a lip, with a small tooth.