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Upper Cretaceous foraminiferida from Valle El Morro, Baja California, Mexico
McGee, David C.
An Cpper Cretaceous bed of claystone exposed along the southern bank of Valle El Morro, Baja California, Mexico yielded a large and diversified foraminiferal assemblage of late Campanian age. The 46 species and sub-species consist of arenaceous and perforate calcareous types in approximately equal number; benthonic forms predominate among the calcareous foraminifers. It is inferred that the faunule lived in a muddy benthic environment beneath warm, neretic waters of the outer sublittoral zone (100 to 200 meters in depth).
San Diego State University
Bachelor of Science (B.S.) San Diego State University, 1966
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