Concepedia

Helen Tappan

HT

24

Publications

1.4K

Citations

18

H-Index

1951

Active since

Affiliations

University of California, Los Angeles(Current)

Chevron (United States)

Helen Tappan is an author at University of California, Los Angeles specializing in evolutionary biology, biology, and engineering.

Top concepts

Evolutionary BiologyBiologyEngineeringNatural SciencesPhylogeneticsOceanographyEarth ScienceMarine BiologyGeologyMedicine

Publications per year

1951–1989

24

Publications

24

Evolution of the oceanic plankton

Helen Tappan, Alfred R. Loeblich · Earth-Science Reviews · 1973 · 193 citations

Marine Geology, Engineering, Evolutionary Biology +6

Primary production, isotopes, extinctions and the atmosphere

Helen Tappan · Palaeogeography Palaeoclimatology Palaeoecology · 1968 · 193 citations

Biogeochemistry, Engineering, Isotope Geochemistry +3

Suprageneric Classification of the Foraminiferida (Protozoa)

Alfred R. Loeblich, Helen Tappan · Micropaleontology · 1984 · 193 citations

Revised Classification, Zoological Taxonomy, Phylogenetics +19

Planktonic Foraminifera of Paleocene and early Eocene age from the Gulf and Atlantic coastal plains

Alfred R. Loeblich, Helen Tappan · Biodiversity Heritage Library (Smithsonian Institution) · 1957 · 103 citations · Full text

Annotated Index and Bibliography of the Calcareous Nannoplankton

Alfred R. Loeblich, Helen Tappan · Phycologia · 1966 · 78 citations

Engineering, Physics, Cold Seeps +5

Rows per page

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