Terebralia gibberosa (Grateloup, 1832)

(Fig. 1B)

Cerithium gibberosum Grateloup, 1832: 272, no. 278.

Terebralia gibberosa – Lozouet & Maestrati 2012: 278, fig. 179, 16, 17.

DISTRIBUTION. — North-eastern Atlantic. Early Oligocene (Rupelian) of France (Grateloup 1832; Lozouet & Maestrati 2012).

REMARKS

The description given by Grateloup (1832) is very brief; two forms are presented, corresponding to a wide morphotype (variety A) and a narrow morphotype (variety B). Morphologically, the species differs from T. lignitarum by its finer, more prominent sculpture and slightly thinner shell.