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LM and SEM investigations of pollen from PETM and EECO localities of Austria and Great Britain: new findings of Atherospermataceae, Annonaceae, Araceae and Arecaceae from the Lower Eocene

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Abstract

Fossil pollen from three Lower Eocene localities was investigated by LM and SEM: The Palaeocene–Eocene Thermal Maximum (PETM) section at St Pankraz (Salzburg), three Brixton drill cores covering the PETM and the Early Eocene Climate Optimum locality at Krappfeld. Some pollen taxa found have been affiliated to Laurelia, today a southern hemispheric Atherospermataceae unknown from Europe, to two Annonaceae lineages, such as the African Monodora clade and a probable precursor of the old world Fenerivia/Maasia clades, thus representing two taxa not previously reported from the fossil record. Further two wetland associated Araceae (Limnobiophyllum and Lysichiton) are present as well as various Arecaceae, including not only previously described Salaccinae and Calaminae/Plectocomiinae, but also undocumented Bactridinae, Elaeidinae (both Cocoseae), and Coryphoideae and Arecoideae, although pollen from the latter two subfamilies could not be assigned in more detail.

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Acknowledgments

The first author is very thankful to the deceased Robert W. 'O. B. Knox, who provided the samples of the Brixton drillcores for palynological work. We thank Stjepan Coríc for help during fieldwork in Austria, Markus Kogler for preparing part of fig. 1 and Hugh Rice for correcting the English. This paper is in honour of Robert W. 'O. B. Knox.

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  1. Department of Palaeontology, University of Vienna, Althanstrasse 14, 1090, Vienna, Austria

    Christa-Charlotte Hofmann

  2. Geological Survey of Austria, Neulinggasse 38, 1030, Wien, Austria

    Hans Egger

  3. 16A Parkroad, Bridport, Dorset, Great Britain

    Chris King

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  1. Christa-Charlotte Hofmann
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Hofmann, CC., Egger, H. & King, C. LM and SEM investigations of pollen from PETM and EECO localities of Austria and Great Britain: new findings of Atherospermataceae, Annonaceae, Araceae and Arecaceae from the Lower Eocene. Plant Syst Evol 301, 773–793 (2015). https://doi.org/10.1007/s00606-014-1116-7

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