Nodosaria vertebralis PLUMMER, 1927

Ismail, Ahmed A., 2012, Late Cretaceous-Early Eocene benthic foraminifera from Esh El Mallaha area, Egypt, Revue de Paléobiologie 31 (1), pp. 15-50 : 34

Nodosaria vertebralis PLUMMER, 1927

Pl. II, fig. 13

1927. Nodosaria vertebralis PLUMMER , p. 88, pl. 5, fig. 10.

1952. Nodosaria vertebralis PLUMMER. - NAKKADY, p. 423, pl. 7, fig. 4.

1956. Nodosaria vertebralis PLUMMER. - SAID & KENAWY, p. 133, pl. 2, fig. 34.

Remarks: This species differs from the other species of Nodosaria in having no tumidity of chamber contour until late maturity. The test has longitudinal thick costae. Stratigraphic distribution: It is recorded in the Esna Shale by SAID & KENAWY (1956) and in the Paleocene Midway fauna by BERGGREN & AUBERT (1975). It is found in the Maastrichtian in addition to the Paleocene zones of the Esh El Mallaha area.