An overview of extant conifer evolution from the perspective of the fossil record

American Journal of Botany
Andrew B LeslieSarah Mathews

Abstract

Conifers are an important living seed plant lineage with an extensive fossil record spanning more than 300 million years. The group therefore provides an excellent opportunity to explore congruence and conflict between dated molecular phylogenies and the fossil record. We surveyed the current state of knowledge in conifer phylogenetics to present a new time-calibrated molecular tree that samples ~90% of extant species diversity. We compared phylogenetic relationships and estimated divergence ages in this new phylogeny with the paleobotanical record, focusing on clades that are species-rich and well known from fossils. Molecular topologies and estimated divergence ages largely agree with the fossil record in Cupressaceae, conflict with it in Araucariaceae, and are ambiguous in Pinaceae and Podocarpaceae. Molecular phylogenies provide insights into some fundamental questions in conifer evolution, such as the origin of their seed cones, but using them to reconstruct the evolutionary history of specific traits can be challenging. Molecular phylogenies are useful for answering deep questions in conifer evolution if they depend on understanding relationships among extant lineages. Because of extinction, however, molecular datasets po...Continue Reading

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Citations

Sep 19, 2018·Evolution; International Journal of Organic Evolution·Daniel S CaetanoJeremy M Beaulieu
Oct 28, 2018·The New Phytologist·Juan M LosadaAndrew B Leslie
Oct 9, 2019·Proceedings. Biological Sciences·Mekala SundaramAndrew B Leslie
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Aug 19, 2020·Ecology Letters·Pablo Sanchez-MartinezMaurizio Mencuccini
May 11, 2020·American Journal of Botany·Gabriella Rossetto-HarrisAna Andruchow-Colombo
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Dec 12, 2020·The New Phytologist·Gianluca Piovesan, Franco Biondi
Nov 4, 2020·Proceedings of the National Academy of Sciences of the United States of America·Fabien L CondamineAlexandre Antonelli
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Aug 31, 2021·American Journal of Botany·Fabiany HerreraPatrick S Herendeen
Nov 7, 2021·Molecular Phylogenetics and Evolution·Luo ChenXiao-Quan Wang
Dec 22, 2021·Annals of Botany·Julian Herting, Thomas Stützel

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