Lagena haidingeri ( Cžjžek, 1848 )

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 : 18-24

Lagena haidingeri ( Cžjžek, 1848)

( Figs 13 E-P; 14A-H; 31J, K)

Oolina haidingeri Cžjžek, 1848: 138 , pl. 9, figs 1,2.

Lagena haidingeri – Popescu 1983: 263, pl. 1, fig. 8. — Popescu & Crihan 2004: 405, pl. 1, fig. 11.

Lagena striata – Buchner 1940: 424, pl. IV, figs 60 (non figs 54-59, 61). — Cushman & Gray 1946: 20, pl. 3, fig. 54 (non figs 51-53). — Cimerman & Langer 1991: 53, pl. 55, figs 6, 7.

LOCALITIES. — Brest-LRK2 (Finistère), l’Épinay, la Pugle (Maineet-Loire), St Erth (Cornwall).

MATERIAL EXAMINED. — Sample: Brest-LRK2, 2.20 m ( MNHN.F.F67656, F67657); sample: l’Épinay, 6.50 m ( MNHN.F.F67658, F67659); sample: St Erth no. 66/14 ( MNHN.F.F67660); sample: la Pugle, 9.00 m ( MNHN.F.F67661); sample: Brest-LRK2, 2.70 m ( MNHN.F.F67745), 3 specimens; sample: la Chênelière, 17.00 m ( MNHN.F.F67746), 8 specimens; sample: la Sautré, 15.00 m ( MNHN.F.F67747), 17 specimens; sample: la Bouillonnaie, 12.50 m ( MNHN.F.F67748), 15 specimens; sample: la Pugle, 7.00 m ( MNHN.F.F67749), 10 specimens; sample: l’Épinay, 6.50 m ( MNHN.F.F67750), 6 specimens.

AGE. — Early Pliocene and Late Pliocene.

DESCRIPTION

Test ovoid, ornamented with fine longitudinal costae alternating with shorter (30 to 50) extending onto the neck with reticulate shape; neck distinct consisting of an overlay of hexagonal-based chamberlets externally closed with punctate wall; aboral end ornamented with a double ring sometimes spiny; neck distinct consisting of an overlay of chamberlets externally closed with punctate wall; wall hyaline, punctate; aperture rounded; aboral end structure.

REMARK

The Figure 14G, H shows the plate corresponding to the floor of chamberlet.

Figures

FIG. 13. — A-D, Lagena digitale Heron-Allen & Earland, 1932: A, l’Épinay (MNHN.F.F67654), basal view; B-D, SGB3 (MNHN.F.F67655), lateral, oral and basal views; E-P, Lagena haidingeri (Cžjžek, 1848): E-L, Brest-LRK2 (MNHN.F.F67656, F67657): E, lateral view; F, perforated wall; G, perforated wall of the neck; H, I, oral and basal views; J-L, lateral, oral and basal views; M-O, l’Épinay (MNHN.F.F67658), lateral, oral and basal views; P, lateral view. Scale bars: A, C, D, H, I, K, L, N, O, 100 µm; B, E, J, M, P, 200 µm; F, G, 5 µm.

FIG. 14. — A-H, Lagena haidingeri (Cžjžek, 1848): A, B, l’Épinay (MNHN.F.F67659); oral and basal views; C-E, St. Erth (MNHN.F.F67660), lateral, oral and basal views;F-H, la Pugle (MNHN.F.F67661),lateral,oral and basal views of a specimen with broken neck;H-K, Lagena mariae Karrer,1877,la Sautré (MNHN.F.F67662) in lateral, oral and basal views; L-O, Lagena ornaticollis Jones, 1984, n. stat., St. Erth (MNHN.F.F67663): L, lateral view; M, perforated wall; N, perforated wall of the neck. Scale bars: A, B, D, E, G, J, K, O, 100 µm; C, F, I, L, 200 µm; H, 50 µm; M, 5 µm; N, 10 µm.