Lanternalagena sp. A

(Fig. 24 D-G)

LOCALITY. — SSL (Loire-Atlantique).

MATERIAL EXAMINED. — Sample: SSL S3, 2.30 m (MNHN.F.F67708).

AGE. — Early Pliocene.

DESCRIPTION

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