Lanternalagena sp. B

(Fig. 24 H-L)

LOCALITY. — Mernel (Loire-Atlantique).

MATERIAL EXAMINED. — Sample: Mernel S214, 8.50 m (MNHN.F.F67709).

AGE. — Late Pliocene.

DESCRIPTION

Test ovoid ornamented with longitudinal costae (12); conical neck surrounded with chamberlets closed with punctate wall and polygonal ornamentation; wall perforate; aperture rounded with striated rim; aboral opening.