Verulagena partecostata n. gen., n. sp. (Figs 28 G-P; 34D, G)

urn:lsid:zoobank.org:act: 2C682922-51FD-429C-9849-53B3128DC706

HOLOTYPE. — Sample: SSL S3, 2.30 m (MNHN.F.F67725).

PARATYPES. — Two paratypes: sample: SSL S3, 2.30 m (MNHN.F.F67726, F67727).

DIAGNOSIS. — Test ovoid ornamented in part with costae, neck ornamented at oral end with ridges.

TYPE AGE. — Early Pliocene.

TYPE LOCALITY. — Saint-Sulpice-des-Landes (Loire-Atlantique).

ETYMOLOGY. — From Latin partim (in part) and costa (costae).

OTHER MATERIAL EXAMINED. — Sample: la Pugle, 9.00 m (MNHN.F.F67772), 13 specimens; sample: la Chênelière, 17.00 m (MNHN.F.F67773), 13 specimens.

SIZE. — Length = 0.550 mm; diameter = 0.230 mm.

OCCURENCE. — Marls from la Pugle and la Chênelière (Maine-etLoire) and marls from SSL (Loire-Atlantique).

DESCRIPTION

Test ovoid ornamented with costae (14) below midpoint, tapering to oral end ornamented with short ridges, flat ring at aboral end; wall hyaline, perforate particularly adjacent to costae; aperture rounded; aboral end structure.