期刊
ISCIENCE
卷 23, 期 3, 页码 -出版社
CELL PRESS
DOI: 10.1016/j.isci.2020.100913
关键词
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资金
- Alexander von Humboldt Foundation from Germany
- Ministry of Science, Innovations and Universities from Spain (Project CRE'', Spanish AEI/FEDER, UE) [CGL2017-84419]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB26000000, XDA19050101]
- National Natural Science Foundation of China [41622201, 41688103]
- Deutsche Forschungsgemeinschaft (DFG, German Research foundation) [396704301]
The Cretaceous fossil record of amber provides a variety of evidence that is essential for greater understanding of early pollination strategies. Here, we describe four pieces of ca. 99-million-year-old (early Cenomanian) Myanmar amber from Kachin containing four closely related genera of short-winged flower beetles (Coleoptera: Kateretidae) associated with abundant pollen grains identified as three distinct palynomorphotypes of the gymnosperm Cycadopites and Praenymphaeapollenites cenomaniensis gen. and sp. nov., a form-taxon of pollen from a basal angiosperm lineage of water lilies (Nymphaeales: Nymphaeaceae). We demonstrate how a gymnosperm to angiosperm plant-host shift occurred during the mid-Cretaceous, from a generalist pollen-feeding family of beetles, which served as a driving mechanism for the subsequent success of flowering plants.
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