Lagena sulcata (Walker & Jacob, 1798) (Figs 17 N-Q; 18A-D; 32D, E)

Serpula (Lagena) sulcata Boys & Walker in Adams & Kanmacher, 1798: 634, pl. 14, fig. 5. — Wright 1876 -1877: 103, pl. 4, fig. 10.

LOCALITY. — SGB3 (Manche).

MATERIAL EXAMINED. — Sample: SGB3, 9.50 m (MNHN.F.67677, 67678); sample: SGB3, 9.50 m (MNHN.F.F67756), 22 specimens.

AGE. — Late Pliocene.

DESCRIPTION Test ovoid, furrowed, ornamented with longitudinal costae (17 to 21), neck distinct; wall smooth, perforate; aperture rounded; aboral end structure.