Abstract
A diverse assemblage of 80 species of fossil spores and pollen was recovered from the Tertiary section of the COST No. B‐2 well, Baltimore Canyon, Atlantic Outer Continental Shelf. Many of the species have stratigraphic ranges with well‐defined tops and are therefore potentially useful as age indicators for the Tertiary strata of the Atlantic OCS. The previously reported occurrence of sediments of Paleocene age is questionable because the highest occurrence of pollen similar to that of modern Platycarya, generally regarded as Eocene age indicators, is the same interval.

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