Statistics
Publications
19
Citations
1.2K
H-Index
15
Active since
1940
Affiliations
Helen Tappan is an author at Chevron (United States) specializing in natural sciences, life sciences, and foraminiferal taxonomy.
Publications per year
1940–1984
19
19
Foraminifera from the Grayson Formation of northern Texas
Helen Tappan · Journal of Paleontology · 1940 · 123 citations
Natural Sciences, Biology, Geology +10
Cretaceous Planktonic Foraminifera: Part I. Cenomanian
Alfred R. Loeblich, Helen Tappan · Micropaleontology · 1961 · 81 citations
Surface Sculpture of the Wall in Lower Paleozoic Acritarchs
Helen Tappan, Alfred R. Loeblich · Micropaleontology · 1971 · 78 citations
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