Fluctuation in the diversity of mayflies (Insecta, Ephemerida) as documented in the fossil record

Abstract Due to their aquatic larvae, the evolution of mayflies is intricately tied to environmental changes affecting lakes and rivers. Despite a rich fossil record, little is known about the factors shaping the pattern of diversification of mayflies in deep time. We assemble an unprecedented datas...

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Main Authors: Pavel Sroka, Roman J. Godunko, Jakub Prokop
Format: Article
Language:English
Published: Nature Portfolio 2023-09-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-023-42571-7
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author Pavel Sroka
Roman J. Godunko
Jakub Prokop
author_facet Pavel Sroka
Roman J. Godunko
Jakub Prokop
author_sort Pavel Sroka
collection DOAJ
description Abstract Due to their aquatic larvae, the evolution of mayflies is intricately tied to environmental changes affecting lakes and rivers. Despite a rich fossil record, little is known about the factors shaping the pattern of diversification of mayflies in deep time. We assemble an unprecedented dataset encompassing all fossil occurrences of mayflies and perform a Bayesian analysis to identify periods of increased origination or extinction. We provide strong evidence for a major extinction of mayflies in the mid-Cretaceous. This extinction and subsequent faunal turnover were probably connected with the rise of angiosperms. Their dominance caused increased nutrient input and changed the chemistry of the freshwater environments, a trend detrimental mainly to lacustrine insects. Mayflies underwent a habitat shift from hypotrophic lakes to running waters, where most of their diversity has been concentrated from the Late Cretaceous to the present.
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spelling doaj.art-e0c4b7f4d7d644cf99e23150ecb814692023-11-26T12:51:58ZengNature PortfolioScientific Reports2045-23222023-09-011311910.1038/s41598-023-42571-7Fluctuation in the diversity of mayflies (Insecta, Ephemerida) as documented in the fossil recordPavel Sroka0Roman J. Godunko1Jakub Prokop2Biology Centre of the Czech Academy of Sciences, Institute of EntomologyBiology Centre of the Czech Academy of Sciences, Institute of EntomologyDepartment of Zoology, Faculty of Science, Charles UniversityAbstract Due to their aquatic larvae, the evolution of mayflies is intricately tied to environmental changes affecting lakes and rivers. Despite a rich fossil record, little is known about the factors shaping the pattern of diversification of mayflies in deep time. We assemble an unprecedented dataset encompassing all fossil occurrences of mayflies and perform a Bayesian analysis to identify periods of increased origination or extinction. We provide strong evidence for a major extinction of mayflies in the mid-Cretaceous. This extinction and subsequent faunal turnover were probably connected with the rise of angiosperms. Their dominance caused increased nutrient input and changed the chemistry of the freshwater environments, a trend detrimental mainly to lacustrine insects. Mayflies underwent a habitat shift from hypotrophic lakes to running waters, where most of their diversity has been concentrated from the Late Cretaceous to the present.https://doi.org/10.1038/s41598-023-42571-7
spellingShingle Pavel Sroka
Roman J. Godunko
Jakub Prokop
Fluctuation in the diversity of mayflies (Insecta, Ephemerida) as documented in the fossil record
Scientific Reports
title Fluctuation in the diversity of mayflies (Insecta, Ephemerida) as documented in the fossil record
title_full Fluctuation in the diversity of mayflies (Insecta, Ephemerida) as documented in the fossil record
title_fullStr Fluctuation in the diversity of mayflies (Insecta, Ephemerida) as documented in the fossil record
title_full_unstemmed Fluctuation in the diversity of mayflies (Insecta, Ephemerida) as documented in the fossil record
title_short Fluctuation in the diversity of mayflies (Insecta, Ephemerida) as documented in the fossil record
title_sort fluctuation in the diversity of mayflies insecta ephemerida as documented in the fossil record
url https://doi.org/10.1038/s41598-023-42571-7
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