Browsing by Author "Thomas, Barry A."


Browsing by Author "Thomas, Barry A."

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  • Thomas, Barry A.; Cleal, Christopher J. (2010-02-01)
    The provisions in the Code for naming plant fossil taxa have changed substantially over the years. The history of these changes reflects the tension between palaeobotanists (including palynologists studying plant microfossils) ...
  • Thomas, Barry A.; Cleall, C. J.; Appleton, P. (2011-05-23)
    Sites yielding Pennsylvanian (late Carboniferous) coal floras are well known across Europe and North America, but they usually only yield drifted remains of the plants. To understand the ecology of these ancient tropical ...
  • Barthel, Manfred; Cleal, Christopher J.; Thomas, Barry A. (2004-11-17)
    Incident-light darkfield microscopy permits the direct observation of cellular structure of some plant fossils without the need for maceration. It allows the study of leaf epidermis and sporangial structure where it was ...
  • Evans, Benjamin G.; Cleal, Christopher J.; Wimbledon, W. A. P.; Thomas, Barry A. (2003)
    The Glyn-neath area has the only natural exposures in the whole of Europe showing an essentially continuous section through the lower and middle Westphalian Stages (Pennsylvanian, Upper Carboniferous). There is a change ...

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