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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  • 作者：Christa-Charlotte Hofmann ; Hans Egger ; Chris King
  • 关键词：Palynology ; Lower Eocene ; Europe ; Atherospermataceae ; Annonaceae ; Araceae ; Arecaceae
  • 刊名：Plant Systematics and Evolution
  • 出版年：2015
  • 出版时间：February 2015
  • 年：2015
  • 卷：301
  • 期：2
  • 页码：773-793
  • 全文大小：4,533 KB
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文摘
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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