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Professor of Earth Science, University of Southampton

John Marshall is a Professor in the School of Ocean & Earth Sciences at the University of Southampton. He is currently Programme Leader for the Geology degree.

Recent research projects have included:

Early Carboniferous tetrapods in Romer's Gap
Mid Palaeozoic Mass Extinction Events
The spread of the Devonian forests
Sedimentary organic matter in landfill sites
Early seed plants
Devonian gas reservoirs in South America


  • 1983–present
    Professor, University of Southampton
  • 1981–1983
    Palynologist, Gearhart Geodata
  • 1978–1981
    Demonstrator, University of Newcastle upon Tyne


  • 1981 
    University of Bristol, PhD
  • 1976 
    University of Cambridge, BA


  • 2020
    UV-B radiation, Devonian-Carboniferous, Science Advances

Grants and Contracts

  • 2012
    Romer's Gap tetrapods
    Funding Source:
    Natural Environment Research Council
  • 2012
    Greenland fieldwork
    Funding Source:
    National Geographic

Professional Memberships

  • FGS, Palaeontological Association, TMS, CIMP, AASP