Devonian Calcareous Green Algal Flora of the Rannach Nappe (Graz Palaeozoic, Austria)

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Bernhard Hubmann
Lisa Verderber
Fritz Messner


The Lower to Middle Devonian (Emsian – Eifelian) calcareous green algal flora of the Graz Palaeozoic (Austria) contains halimedalean representatives of Pseudolitanaia, Pseudopalaeoporella, Zeapora, Maslovina and a new lanciculoid taxon. Occurrences within the Graz thrust complex are restricted to four localities in the Rannach Nappe and may be characterised as monogeneric mass occurrences. Consequently, they are interpreted as algal bafflestones originating from halimedalean meadows.


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