Deuteralagena laguncula n. gen., n. sp. (Figs 2 H-P; 3A-F; 29O, P; 30A, B)

urn:lsid:zoobank.org:act: 691D8771-82BB-4586-8DB1-7F05D3259139

HOLOTYPE. — Sample: Auxais T47, 14-17 m (MNHN.F.F67609).

PARATYPES. — Three paratypes: Sample: Auxais T47, 14- 17 m (MNHN.F.F67610); Sample: Auxais T47, 14-17 m (MNHN.F.F67611); Sample: LRK2, 30 m (MNHN.F.F67612).

DIAGNOSIS. — Test ovoid, ornamented with costae, neck distinct, subconical with small lip, aboral opening.

TYPE AGE. — Early Pleistocene.

TYPE LOCALITY. — Auxais (Manche).

ETYMOLOGY. — From Latin lăguncŭla (small carafe).

OTHER MATERIAL EXAMINED. — Sample: Auxais T 47, 14-17 m (MNHN.F.F67731), 2 specimens.

SIZE. — Length = 0.610 mm; diameter = 0.240 mm

OCCURENCE. — Marls from Auxais (Manche) and Brest-LRK2 (Finistère).

DESCRIPTION

Test ovoid, elongated, aboral end ornamented with longitudinal costae (8) extending up to the midheight; neck slightly conical; wall hyaline, smooth, finely perforate; aperture rounded with a small striated lip; aboral end structure.