Deuteralagena sp. C

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 : 6

Deuteralagena sp. C

( Figs 3O, P ; 4A, B )

LOCALITY. — Fécamp (Seine-Maritime).

MATERIAL EXAMINED. — Sample: Fécamp 2A ( MNHN.F.F67615).

AGE. — Early Pliocene.

DESCRIPTION

Test ovoid, aboral end ornamented with costae, neck conical; wall hyaline, smooth, finely perforate; aperture rounded with small 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.

FIG. 4. — A, B, Deuteralagena sp. C, Fécamp (MNHN.F.F67615), lateral and basal views; C-F, Deuteralagena sp. D, Auxais (MNHN.F.F67616): C, lateral view; D, pores; E, F, oral and basal views; G-J, Deuteralagena sp. E, la Pugle (MNHN.F.F67617): G, lateral view; H, pores; I, J, oral and basal views; K-M, Deuteralagena sp. F, SGB3 (MNHN.F.F67618) in lateral, oral and basal views; N-P, Deuteralagena sp. G, la Groussinière (MNHN.F.F67619) in lateral, oral and basal views. Scale bars: A, B, E, F, G, I, J, K, L, M, O, P, 100 µm; C, N, 200 µm; D, 5 µm; H, 50 µm.