Articles | Volume 22, issue 14
https://doi.org/10.5194/bg-22-3503-2025
https://doi.org/10.5194/bg-22-3503-2025
Research article
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23 Jul 2025
Research article | Highlight paper |  | 23 Jul 2025

Occupancy history influences extinction risk of fossil marine microplankton groups

Isaiah E. Smith, Ádám T. Kocsis, and Wolfgang Kiessling

Data sets

Supplementary code and data for ``Occupancy history influences extinction risk of fossil marine microplankton groups'' Isaiah Smith https://doi.org/10.5281/zenodo.15174296

Model code and software

Supplementary code and data for ``Occupancy history influences extinction risk of fossil marine microplankton groups'' Isaiah Smith https://doi.org/10.5281/zenodo.15174296

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This contribution uses occurrences of four major marine microplankton groups from a large paleontological database to test the hypothesis that changes in geographic range of a species predict extinction. The authors demonstrated that changes in geographic range are a dominant predictor of extinction risk in marine plankton. This result highlights the vulnerability of different plankton groups to extinction and shows the importance of paleontological observations for predicting extinction patterns in modern species.
Short summary
We examine how change in a species' geographic range size over time influences that species' extinction risk. We analyze instantaneous range size and range size change and how these terms relate to extinction risk in marine microplankton. We find that both the instantaneous range size and the change in range size are informative predictors of extinction. Using predictive models, we also assess extinction probability in four extant groups.
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