Dr. Nagy I. Zoltán szerk.: Fragmenta Mineralogica Et Palaentologica 3. 1972. (Budapest, 1972)

Globorotalia mèmbranacea (EHRENBERG) (pl. III, fig. 9,) 1854 Plánul

Ina mèmbranacea. - EHRENBERG, pl. 25, fig. 41; pl. 26, fig. 43; (Fide Catalogue of Poraminifera) 1926 Pulvinulina mèmbranacea EHRENBERG. - CUSHMAN

, p. 608, pi. 21, fig. 10. 1928 Globorotalia mèmbranacea (EHRENBERG). - WHITE, p.

280, pi. 38, fig. 10. 1943 Globorotalia mèmbranacea (EHRENBERG). - CUSHMAN & TODD, p. 71, pi. 12, fig. 12. 1953 Globorotalia mèmbranacea (EHRENBERG). - SUBBOTINA, p.

205, pi. 16, figs. 7-11. Descriptions Test small

,biconvex, compressed, low trochospiral, composed of 3 whorl

3. Dorsal side flat, ventral aide moderatly inflated. Equatorial periphery lobate, axial periphery bluntly acut with a faintly developed pseudokeel on the last chamber. Chambers on the dorsal side nearly 12, arranged in two whorls the last whorl is composed of 6, compressed chambers, which increase rapidly in size. Wall finely perforate. Sutures on the dorsal side curved, depressed, on the ventral side nearly radial. Umbilicus wide open. Aperture a low narrow arch, interiomarginal extraumbilical - umbilical. Diameters 0,28 mm Occurrence s This species is found in the Globorotalia uncinata zone in the studied section. Stratigraphie ranges This species was recorded by CUSHMAN(1926) and WHITE (1928) from the upper Cretaceous of the Velasco Shale in the Tampico Embayment. » SUBBOTINA (1953) described this species from the Danian of the Kuban River, northern Caucasus, U.S.S.R,