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Generalist Pollen-Feeding Beetles During the Mid-Cretaceous

36 Pages Posted: 26 Nov 2019 Publication Status: Review Complete

See all articles by David Peris

David Peris

University of Bonn - Institut für Geowissenschaften und Meteorologie

Conrad C. Labandeira

The Smithsonian Institution - Department of Paleobiology

Eduardo Barrón

Instituto Geológico y Minero de España - Museo Geominero

Xavier Delclòs

University of Barcelona - Institut de Recerca de la Biodiversitat (IRBio)

Jes Rust

University of Bonn - Institut für Geowissenschaften und Meteorologie

Bo Wang

Chinese Academy of Sciences (CAS) - Centre for Excellence in Life and Palaeoenvironment

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Abstract

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 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.

Suggested Citation

Peris, David and Labandeira, Conrad C. and Barrón, Eduardo and Delclòs, Xavier and Rust, Jes and Wang, Bo, Generalist Pollen-Feeding Beetles During the Mid-Cretaceous (November 22, 2019). Available at SSRN: https://ssrn.com/abstract=3492117 or http://dx.doi.org/10.2139/ssrn.3492117
This is a paper under consideration at Cell Press and has not been peer-reviewed.

David Peris

University of Bonn - Institut für Geowissenschaften und Meteorologie

Germany

Conrad C. Labandeira

The Smithsonian Institution - Department of Paleobiology

United States

Eduardo Barrón

Instituto Geológico y Minero de España - Museo Geominero

Spain

Xavier Delclòs

University of Barcelona - Institut de Recerca de la Biodiversitat (IRBio)

Spain

Jes Rust

University of Bonn - Institut für Geowissenschaften und Meteorologie

Germany

Bo Wang (Contact Author)

Chinese Academy of Sciences (CAS) - Centre for Excellence in Life and Palaeoenvironment ( email )

China

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