Project 1050: D. A. Legg, M. D. Sutton, G. D. Edgecombe. 2013. Arthropod fossil data increase congruence of morphological and molecular phylogenies. Nature Communications. 4:2485.
Abstract
The relationships of major arthropod clades have long been contentious, but refinements in molecular phylogenetics underpin an emerging consensus. Nevertheless, molecular phylogenies have recovered topologies that morphological phylogenies have not, including the placement of hexapods within a paraphyletic Crustacea, and an alliance between myriapods and chelicerates. Here we show enhanced congruence between molecular and morphological phylogenies based on 753 morphological characters for 309 fossil and Recent panarthropods. We resolve hexapods within Crustacea, with remipedes as their closest extant relatives, and show that the traditionally close relationship between myriapods and hexapods is an artefact of convergent character acquisition during terrestrialisation. The inclusion of fossil morphology mitigates long-branch artefacts as exemplified by pycnogonids: when fossils are included, they resolve with euchelicerates rather than as a sister taxon to all other euarthropods.Read the article »
Article DOI: 10.1038/ncomms3485
Project DOI: 10.7934/P1050, http://dx.doi.org/10.7934/P1050
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MorphoBank Project 1050
MorphoBank Project 1050
- Creation Date:
16 October 2013 - Publication Date:
09 April 2015 - Project views: 197585
- Media downloads: 2
Authors' Institutions
- Natural History Museum, London
- Imperial College London
Members
member name | taxa | specimens | media | media notes |
Jo Wolfe Project Administrator | 311 | 92 | 93 | 92 |
Maureen Admin Full membership | 0 | 0 | 0 | 0 |
MorphoBank Curator Full membership | 0 | 0 | 0 | 0 |
Greg Edgecombe Full membership | 0 | 0 | 0 | 0 |
David Legg Full membership | 0 | 0 | 0 | 0 |
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