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 | University of Sana'a, Yemen Earth and environmental sciences department Petroleum and Stratigraphy branch |  |
Ammonia beccarii  | Ammonia bradyi  | Amphistegina sp.  | Borelis schlumbergeri  | Borelis schlumbergeri  | Elphidium crispum  | Elphidium crispum  |
Operculina ammonoides  | Operculina ammonoides  | Pararotalia sp.  |