Evolutionary lineage of the Maastrichtian <Emphasis Type="Italic">Bolivinoides draco</Emphasis> group (benthic foraminifera) in Abu Zenima section,west central Sinai,Egypt |
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| Authors: | Haidar Salim Anan |
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| Institution: | 1.Gaza,Palestine |
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| Abstract: | Three subspecies belong to middle-late Maastrichtian Bolivinoides draco group (B. draco aegyptiacus, B. d. draco, and B. d. dorreeni) are described of which one is new: Bolivinoides draco aegyptiacus from Abu Zenima section, west central Sinai, Egypt. This new subspecies differs from the other Bolivinoidid taxa in possessing well-developed two divergent medial longitudinal ribs along the smooth test surface, with another one rib in the central part between them. In this study, the early Maastrichtian B. miliaris is not related to this group. The other evolutionary trends are also distinguished and the paleogeographic distributions of Bolivinoides members in the Middle East are presented. |
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