- GeoRef, Copyright 2004, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States
"A biostratigraphic study of the Maestrichtian, Danian, and Montian formations and their microfaunas in Gabal Um Elghanayem of the Western Desert of Egypt. The Echinocorys chalk, with a typical Danian macrofauna, is flooded with Globorotalia of the simulatilis-velascoensis group and with other members of the Globorotalia zone microfauna." Systematic descriptions include new species.