Five alveolinid species were identified from the Naqb Formation of Bahariya Oasis; Glomalveolina telementensis (Paleocene), Alveolina ankarensis (early Ypresian), Alveolina decipiens (early Ypresian), Alveolina recondita (early Ypresian), Alveolina cf. vredenburgi (early Ypresian). They are indicative of the SBZ7-8 Zone. The studied section is mainly composed of multiple Alveolina horizons. An index marker worth mentioning is Alveolina decipiens which is also recorded from the El Nusf Formation of the Farafra Oasis; this allows for correlation between the two sections. Alveolina decipiens of the El Nusf Formation is associated with Nummulites solitarius and Nummulites frassi and indicates that this horizon belongs to SBZ7-8. One species was recorded from the Minia Formation, Nile Valley; Alveolina ruetimeyeri (late Ypresian), SBZ12. Its occurrence in highly carbonate sediments allowed for paleoecologic interpretations.

Mohamed Boukhary

Safia G. Al Menoufy

Stratigraphy

该杂志的使命是发表使用现代地层学工具（生物地层学、化学地层学、磁地层学、旋回地层学、序列地层学、气候地层学、岩石地层学、GSSP 等）的同行评议论文，以探索地球历史上的广泛思想。

The journal "Stratigraphy" is dedicated to publishing peer-reviewed papers that utilize modern stratigraphic tools, such as biostratigraphy, chemostratigraphy, magnetostratigraphy, cyclostratigraphy, sequence stratigraphy, climate stratigraphy, lithostratigraphy, and GSSP, to explore a wide range of ideas in Earth history.

《Stratigraphy》杂志致力于发表使用现代地层学工具（如生物地层学、化学地层学、磁地层学、旋回地层学、序列地层学、气候地层学、岩石地层学、GSSP等）进行的同行评审论文，旨在探索地球历史中的广泛主题。

Category	Quartile
地球科学	3
地球科学, 地质学	2
地球科学, 古生物学	3

Thanetian-Ypresian Alveolines from the Western Desert and the Nile Valley, Egypt

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