Abdou, H. F. and M. R. Abdel Kireem. (1975). On the occurrence of Altistoma species in the Middle Eocene of Fayoum Province, Egypt. Proceedings of the Fifth African Colloquium on Micropaleontology,. 47-55.
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Abdou, H. F. and M. R. Abdel Kireem
1975
On the occurrence of Altistoma species in the Middle Eocene of Fayoum Province, Egypt.
Proceedings of the Fifth African Colloquium on Micropaleontology,