Table 1 Detailed benthic foraminiferal assemblages, and bathymetric regimes etablished in the southern Galala Sub-basin

Biofacies A

Frondicularia spp., Laevidentalina legumen, Vaginulinopsis midwayana, Gaudryina sp. and Spiroplectinella henryi. Besides the common nominative MF species, of various Cibicidoides succedens, Ramulina navarroana, Vaginulina sp., Lagena globosa, Lagena hispida, Bolivina midwayensis, Neoflabellina paleocenica, Anomalinoides welleri, Nodosaria semispinosa, Chrysalogonium tappanae, Anomalinoides midwayensis, and Marginulinopsis tuberculata

Inner to middle neritic

Biofacies B

Composed of most species of the biofacies A and Valvulineria spp., Tritaxia midwayensis, Stilostomella paleocenica, Lenticulina cultrate, and Neoflabellina semireticulata

Outer nertic

Biofacies C

Cibicidoides alleni, Chrysalogonium elongatum, Dentalina eocenica, Cibicidoides vulgaris, and Nodosaria semispinosa

Proximal upper bathyal

Biofacies D

Gavelinella danica, G. dayi, Spiroplectinella dentate, Cibicidoides alleni, Nuttallides truempyi, Gavelinella danica and Gyroidinoides globosus

Distal upper to middle bathyal