2026 J. John Sepkoski: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	National Ranking	Publications	Citations
Environmental Sciences	47	5661	2056	72	18368

Discipline name

D-Index

World Ranking

National Ranking

Publications

Citations

Environmental Sciences

5661

2056

18368

Overview

J. John Sepkoski was affiliated with the University of Chicago in the United States. Their academic career involved contributions to scientific research, although specific details about recent papers, frequent co-authors, or particular publication venues are not available.

No information is provided regarding main fields or subfields of study, or particular topics of work that were a focus in their research profile. Similarly, there are no recorded book publications or notable awards listed in the available data.

As indicated, J. John Sepkoski is deceased, and all references to their career are presented in past tense. The absence of detailed publication or research data limits a deeper understanding of the specific areas of study or impact within the scientific community.

Best Publications

Mass Extinctions in the Marine Fossil Record

David M. Raup;J. John Sepkoski

2269
Citations
A factor analytic description of the phanerozoic marine fossil record

J. John Sepkoski

1319
Citations
Periodicity of extinctions in the geologic past

David M. Raup;J. John Sepkoski

1319
Citations
A kinetic model of Phanerozoic taxonomic diversity; III, Post-Paleozoic families and mass extinctions

J. John Sepkoski

974
Citations
Insect diversity in the fossil record

Conrad C. Labandeira;J. John Sepkoski

765
Citations
A kinetic model of Phanerozoic taxonomic diversity I. Analysis of marine orders

J. John Sepkoski

732
Citations
A compendium of fossil marine animal genera

J. J. Jr. Sepkoski

697
Citations
Periodic extinction of families and genera

David M. Raup;J. John Sepkoski

672
Citations
Patterns of Phanerozoic Extinction: a Perspective from Global Data Bases

J. John Sepkoski

629
Citations
Mammalian evolution and the great american interchange.

Larry G. Marshall;S. David Webb;J. John Sepkoski;David M. Raup

616
Citations
Effects of sampling standardization on estimates of Phanerozoic marine diversification

J. Alroy;C. R. Marshall;R. K. Bambach;K. Bezusko

610
Citations
Phanerozoic marine diversity and the fossil record

J. John Sepkoski;Richard K. Bambach;David M. Raup;James W. Valentine

554
Citations
A kinetic model of Phanerozoic taxonomic diversity II. Early Phanerozoic families and multiple equilibria

J. John Sepkoski

511
Citations
Ten years in the library: new data confirm paleontological patterns.

J. John Sepkoski

465
Citations
Biodiversity: past, present, and future.

J. John Sepkoski

394
Citations
The shape of evolution: a comparison of real and random clades

Stephen Jay Gould;David M. Raup;J. John Sepkoski;Thomas J. M. Schopf

390
Citations
Onshore-offshore patterns in the evolution of phanerozoic shelf communities.

David Jablonski;J. John Sepkoski;David J. Bottjer;Peter M. Sheehan

363
Citations
Alpha, beta, or gamma: where does all the diversity go?

J. John Sepkoski

342
Citations
Evolutionary and Preservational Constraints on Origins of Biologic Groups: Divergence Times of Eutherian Mammals

Mike Foote;John P. Hunter;Christine M. Janis;J. John Sepkoski

340
Citations
Absolute measures of the completeness of the fossil record.

Mike Foote;J. John Sepkoski

302
Citations
Anatomical and ecological constraints on Phanerozoic animal diversity in the marine realm

Richard K. Bambach;Andrew H. Knoll;J. John Sepkoski

291
Citations
A comparative study of diversification events: the early Paleozoic versus the Mesozoic.

Douglas H. Erwin;James W. Valentine;J. John Sepkoski

290
Citations
Diversification, Faunal Change, and Community Replacement during the Ordovician Radiations

J. John Sepkoski;Peter M. Sheehan

264
Citations

Frequent Co-Authors

David M. Raup University of Chicago

Arnold I. Miller University of Cincinnati

Richard K. Bambach National Museum of Natural History

James W. Valentine University of California, Berkeley

Christine M. Janis Brown University

David Jablonski University of Chicago

Andrew H. Knoll Harvard University

Peter M. Sheehan Milwaukee Public Museum

Karl W. Flessa University of Arizona

Charles R. Marshall University of California, Berkeley

External Links

Wikipedia of J. John Sepkoski

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