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. 2016 Jun 24;6:28372. doi: 10.1038/srep28372

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(a) Age (b) lithology (c) sample levels (d) bulk organic carbon isotopes⁴⁶ (e) palynological data including relative abundances of groups of spore and pollen grains, spore/pollen ratios as well as spore tetrads, fungal remains and Reduviasporonites spp.