Concepedia

Helen Tappan

HT

19

Publications

1.2K

Citations

15

H-Index

1940

Active since

Affiliations

Chevron (United States)(Current)

Earth and Space Research

Helen Tappan is an author at Chevron (United States) specializing in natural sciences, evolutionary biology, and biology.

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Publications per year

1940–1984

19

Publications

19

Sarcodina : chiefly "Thecamoebians" and Foraminiferida

Raymond C. Moore, Alfred R. Loeblich, Helen Tappan · Medical Entomology and Zoology · 1964 · 342 citations

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Treatise on Invertebrate Paleontology, Part C: Protista 2 - Sarcodina, Chiefly "Thecamoebians" and Foraminiferida

William A. Berggren, Alfred R. Loeblich, Helen Tappan et al. · Micropaleontology · 1965 · 151 citations

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Foraminifera from the Grayson Formation of northern Texas

Helen Tappan · Journal of Paleontology · 1940 · 123 citations

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Surface Sculpture of the Wall in Lower Paleozoic Acritarchs

Helen Tappan, Alfred R. Loeblich · Micropaleontology · 1971 · 77 citations

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Cretaceous Planktonic Foraminifera: Part I. Cenomanian

Alfred R. Loeblich, Helen Tappan · Micropaleontology · 1961 · 77 citations

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