First issued in release COL21.4.
Last used in release COL23.9
Published in
Ansary, S. E., & Tewfik, N. M. (1966). Planktonic foraminifera and some new benthonic species from the subsurface upper Cretaceous of Ezz El-Orban area, Gulf of Suez. Journal of Geology of the United Arab Republic, Egypt, 10(1): 37–76. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=284548