Spiroplectammina dentata ( ALTH , 1850)

Ismail, Ahmed A., 2012, Late Cretaceous-Early Eocene benthic foraminifera from Esh El Mallaha area, Egypt, Revue de Paléobiologie 31 (1), pp. 15-50 : 28

Spiroplectammina dentata ( ALTH, 1850)

Pl. I, fig. 7

1850. Textularia dentata (ALTH) , p. 262, pl. 13, fig. 13.

1956. Spiroplectammina paracarinata SAID & KENAWY , p. 122, pl. 1, fig. 13.

1976. Spiroplectammina dentata (ALTH) .- AUBERT & BERGG- REN, p. 408, pl. 1, fig. 5.

Remarks: This species is characterized by the spinose projection of the chambers which came either from the lower angle of the chambers or from the middle of the periphery of the chambers.

Stratigraphic distribution: It was firstly described in the Late Cretaceous of Central Europe and America. In the study area, it is floody in the Paleocene ( Morozovella trinidadensis Zone , Morozovella uncinata Zone and Morozovella velascoensis Zone ) deposits.