Deuteralagena sp. B

Margerel, Jean-Pierre, 2023, The species of Lageninae Brady, 1881 (Foraminifera) from the Pliocene-Early Pleistocene of north-western France, Fécamp (Seine-Maritime, France) and St Erth (Cornwall, United Kingdom), Geodiversitas 45 (1), pp. 1-53 : 4

Deuteralagena sp. B

( Fig. 3 K-N)

LOCALITY. — Auxais (Manche).

MATERIAL EXAMINED. — Sample: Auxais T 47, 12-14 m ( MNHN.F.F67614).

AGE. — Early Pleistocene.

DESCRIPTION

Test ovoid, aboral end ornamented with costae extending up to midheight; neck conical; wall hyaline, smooth, finely perforate; aperture rounded with a striated lip; small aboral opening.

Figures

FIG. 3. — A-F, Deuteralagena laguncula n. gen.,n. sp.:A, B, Brest-LRK2 (MNHN.F.F67611),paratype in oral and basal views;C-F, paratype Auxais (MNHN.F.F67612); C, lateral view; D, pores; E, F, oral and lateral views; G-J, Deuteralagena sp. A, Auxais (MNHN.F.F67613): G, lateral view; H, pores; I, J, oral and asal views; K-N, Deuteralagena sp. B, Auxais (MNHN.F.F67614):K, lateral view; L, pores;M, N, oral and basal views; O, P, Deuteralagena sp.C, Fécamp (MNHN.F.F67615): O, lateral view; P, pores. Scale bars: A, B, E, F, 100 µm; C, G, 200 µm; D, P, 5 µm; H, L, 50 µm; I-K, M-O, 100 µm.