Astacolus mundus (CUSHMAN, 1938)

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

Astacolus mundus (CUSHMAN, 1938)

Pl. I, fig. 26

1938. Marginulina munda CUSHMAN , p. 34, pl. 5, figs. 11, 12. 1968. Astacolus mundus (CUSHMAN) .-SLITER, p. 55, pl. 5, figs. 1, 2.

Remarks: The initial stage of this species is planispirally coiled while the later stages are uncoiled. The chambers become elongated and slightly inflated.

Stratigraphic distribution: It is originally described from the Cretaceous of Texas. It is recorded in the Campanian by SLITER (1968). In the study area, it is found in the Late Paleocene sediments.