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William J. Foster

University of Hamburg

Allende-Platz 1

Hamburg, 20146

Germany

  • University of Hamburg

SCHOLARLY PAPERS

2

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109

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0

Scholarly Papers (2)

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1.

End-Permian Mass Extinction and its Aftermath in Boreal Waters Reflected by Foraminifera from Spitsbergen

Number of pages: 55 Posted: 15 May 2025
Jenő Nagy, William J. Foster, Henrik H. Svensen and Sverre Planke
affiliation not provided to SSRN, University of Hamburg, affiliation not provided to SSRN and University of Oslo
Downloads 81 (803,225)

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Species diversity, Morphogroups, Size reduction, Hypoxia, Carbonate depletion, Sequence Stratigraphy

2.

Decoupled taxonomic diversity and morphological complexity during two Early Triassic extinctions

Number of pages: 25 Posted: 23 Feb 2026
Luyi Miao, Xu Dai, Arnaud Brayard, Xiaokang Liu, William J. Foster and Haijun Song
affiliation not provided to SSRN, affiliation not provided to SSRN, Université Bourgogne Europe (UBE), affiliation not provided to SSRN, University of Hamburg and affiliation not provided to SSRN
Downloads 28 (1,385,945)

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late Smithian, crises, ammonoids, morphological evolution, morphological complexity