Author

Alexander J. Hetherington

National Museums ScotlandORCID 0000-0002-1687-818XUnclaimed ORCID profile · follow to get notified of new preprints

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Alexander J. Hetherington1 paper

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Paleontology· 2

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Approach:experimental assay· 2

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Laura M. CooperiD· 2 shared Andrei V. GromoviD· 1 shared Corentin LoroniD· 1 shared Edwin Rodriguez DzuliD· 1 shared Hendrik VondracekiD· 1 shared Laetitia PicheviniD· 1 shared Martin BrasieriD· 1 shared Matthew HumpageiD· 1 shared

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2025-2026 · peak 1/yr

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2 shared papersPaleontology

Laura M. CooperORCID

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2 papers

Recent·Most cited

PaleontologyCurrent BiologyPeer-reviewedJun 23, 2026

Phloem evolved gradually and asynchronously to xylem in early vascular plants

Laura M. Cooper, Alexander J. Hetherington

This study re-examines phloem-like tissues in 407-million-year-old Rhynie chert fossils, identifying them as food-conducting cells lacking true phloem features and suggesting phloem evolved gradually after xylem.

3 citationstop 1%

experimental assay

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PaleontologybioRxivPreprintMar 14, 2025

Prototaxites was an extinct lineage of multicellular terrestrial eukaryotes

Corentin Loron, Laura M. Cooper, Sean McMahon…·Alexander J. Hetherington

The paper analyzes the anatomy and molecular composition of Prototaxites to determine its taxonomic classification, concluding it is not a fungus but an extinct terrestrial lineage.

1 citation

experimental assay

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