Fususella basigranulata, Margerel, 2023

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 : 10

Fususella basigranulata n. gen., n. sp. ( Figs 6 A-I; 30G, H)

urn:lsid:zoobank.org:act:C6DF7706-F0DC-416E-85A4-9DA46B93E629

HOLOTYPE. — Sample: la Pugle, 13.00 m (MNHN.F.F67624).

PARATYPE. — Sample: la Pugle, 7.00 m (MNHN.F.F67625).

DIAGNOSIS. — Test fusiform, hyaline, oral end with ribs, aboral end granular.

TYPE AGE. — Early Pliocene.

TYPE LOCALITY. — La Pugle (Maine-et-Loire).

ETYMOLOGY. — From Latin bặsis (base) and grānōsus (grain).

MATERIAL EXAMINED.— Sample:la Pugle,13.00 m( MNHN.F.F67734), 2 specimens.

SIZE. — Length = 0.577 mm; diameter = 0.166 mm

OCCURENCE. — Marls from la Pugle (Maine-et-Loire).

DESCRIPTION

Test fusiform, oral end covered with ribs, aboral end granular; wall hyaline, smooth, very finely perforate; aperture rounded; aboral end structure.

Figures

FIG. 6. — A-I, Fususella basigranulata n. gen., n. sp.: A-E, la Pugle, holotype (MNHN.F.F67624); A, lateral view; B, oral end; C, D, oral and basal views; E, basal end; F-I, la Pugle, paratype (MNHN.F.F67625): F, lateral view; G, basal end; H, I, oral and basal views; J-M, Fususella clavata (d’Orbigny, 1846), n. comb., la Groussinière (MNHN.F.F67626):J, lateral view;K, oral end;L, M, oral and basal views;N-P, Fususella setigera (Millett,1901),n. comb.,la Sautré (MNHN.F.F67627): N, lateral view; O, oral end; P, basal end. Scale bars: A, F, J, N, 200 µm; C, D, H, I, L, M, 100 µm; E, G, K, O, P, 20 µm.