Comprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps

Abstract Alpheid snapping shrimps (Decapoda: Caridea: Alpheidae) constitute one of the model groups for inferences aimed at understanding the evolution of complex structural, behavioural, and ecological traits among benthic marine invertebrates. Despite being a super-diverse taxon with a broad geogr...

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Autores principales:	Matúš Hyžný, Andreas Kroh, Alexander Ziegler, Arthur Anker, Martin Košťák, Ján Schlögl, Adam Culka, John W. M. Jagt, René H. B. Fraaije, Mathias Harzhauser, Barry W. M. van Bakel, Andrej Ruman
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/542a2782637e43d1854ab80240a3ba6f
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spelling	oai:doaj.org-article:542a2782637e43d1854ab80240a3ba6f2021-12-02T11:52:18ZComprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps10.1038/s41598-017-02603-52045-2322https://doaj.org/article/542a2782637e43d1854ab80240a3ba6f2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02603-5https://doaj.org/toc/2045-2322Abstract Alpheid snapping shrimps (Decapoda: Caridea: Alpheidae) constitute one of the model groups for inferences aimed at understanding the evolution of complex structural, behavioural, and ecological traits among benthic marine invertebrates. Despite being a super-diverse taxon with a broad geographical distribution, the alpheid fossil record is still poorly known. However, data presented herein show that the strongly calcified fingertips of alpheid snapping claws are not uncommon in the fossil record and should be considered a novel type of mesofossil. The Cenozoic remains analysed here represent a compelling structural match with extant species of Alpheus. Based on the presence of several distinct snapping claw-fingertip morphotypes, the major radiation of Alpheus lineages is estimated to have occurred as early as 18 mya. In addition, the oldest fossil record of alpheids in general can now be confirmed for the Late Oligocene (27–28 mya), thus providing a novel minimum age for the entire group as well as the first reliable calibration point for deep phylogenetic inferences.Matúš HyžnýAndreas KrohAlexander ZieglerArthur AnkerMartin KošťákJán SchlöglAdam CulkaJohn W. M. JagtRené H. B. FraaijeMathias HarzhauserBarry W. M. van BakelAndrej RumanNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Matúš Hyžný Andreas Kroh Alexander Ziegler Arthur Anker Martin Košťák Ján Schlögl Adam Culka John W. M. Jagt René H. B. Fraaije Mathias Harzhauser Barry W. M. van Bakel Andrej Ruman Comprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps
description	Abstract Alpheid snapping shrimps (Decapoda: Caridea: Alpheidae) constitute one of the model groups for inferences aimed at understanding the evolution of complex structural, behavioural, and ecological traits among benthic marine invertebrates. Despite being a super-diverse taxon with a broad geographical distribution, the alpheid fossil record is still poorly known. However, data presented herein show that the strongly calcified fingertips of alpheid snapping claws are not uncommon in the fossil record and should be considered a novel type of mesofossil. The Cenozoic remains analysed here represent a compelling structural match with extant species of Alpheus. Based on the presence of several distinct snapping claw-fingertip morphotypes, the major radiation of Alpheus lineages is estimated to have occurred as early as 18 mya. In addition, the oldest fossil record of alpheids in general can now be confirmed for the Late Oligocene (27–28 mya), thus providing a novel minimum age for the entire group as well as the first reliable calibration point for deep phylogenetic inferences.
format	article
author	Matúš Hyžný Andreas Kroh Alexander Ziegler Arthur Anker Martin Košťák Ján Schlögl Adam Culka John W. M. Jagt René H. B. Fraaije Mathias Harzhauser Barry W. M. van Bakel Andrej Ruman
author_facet	Matúš Hyžný Andreas Kroh Alexander Ziegler Arthur Anker Martin Košťák Ján Schlögl Adam Culka John W. M. Jagt René H. B. Fraaije Mathias Harzhauser Barry W. M. van Bakel Andrej Ruman
author_sort	Matúš Hyžný
title	Comprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps
title_short	Comprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps
title_full	Comprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps
title_fullStr	Comprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps
title_full_unstemmed	Comprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps
title_sort	comprehensive analysis and reinterpretation of cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/542a2782637e43d1854ab80240a3ba6f
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Comprehensive analysis and reinterpretation of Cenozoic mesofossils reveals ancient origin of the snapping claw of alpheid shrimps

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