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Lozano-Fernandez, J., M. Giacomelli, J.F. Fleming, A. Chen, J. Vinther, P.F. Thomsen, H. Glenner, F. Palero, D. Legg, T. Iliffe, D. Pisani & J. Olesen. (2019). Pancrustacean evolution illuminated by taxon-rich genomic-scale data sets with an expanded Remipede sampling. Genome Biology And Evolution. 11(8): 2055-2070. Aug 2019.
356386
10.1093/gbe/evz097 [view]
Lozano-Fernandez, J., M. Giacomelli, J.F. Fleming, A. Chen, J. Vinther, P.F. Thomsen, H. Glenner, F. Palero, D. Legg, T. Iliffe, D. Pisani & J. Olesen
2019
Pancrustacean evolution illuminated by taxon-rich genomic-scale data sets with an expanded Remipede sampling.
Genome Biology And Evolution
11(8): 2055-2070. Aug 2019
Publication
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The relationships of crustaceans and hexapods (Pancrustacea) have been much discussed and partially elucidated following the emergence of phylogenomic data sets. However, major uncertainties still remain regarding the position of iconic taxa such as Branchiopoda, Copepoda, Remipedia, and Cephalocarida, and the sister group relationship of hexapods. We assembled the most taxon-rich phylogenomic pancrustacean data set to date and analyzed it using a variety of methodological approaches. We prioritized low levels of missing data and found that some clades were consistently recovered independently of the analytical approach used. These include, for example, Oligostraca and Altocrustacea. Substantial support was also found for Allotriocarida, with Remipedia as the sister of Hexapoda (i.e., Labiocarida), and Branchiopoda as the sister of Labiocarida, a clade that we name Athalassocarida (¼”nonmarine shrimps”). Within Allotriocarida, Cephalocarida was found as the sister of Athalassocarida. Finally, moderate support was found for Hexanauplia (Copepoda as sister to Thecostraca) in alliance with Malacostraca. Mapping key crustaceantagmosispatternsanddevelopmentalcharactersacrossthe revisedphylogenysuggeststhattheancestralpancrustacean wasrelativelyshort-bodied,withextremebodyelongationandanamorphicdevelopmentemerginglaterinpancrustaceanevolution. Key words: Pancrustacea, crustacean phylogeny, transcriptomics, Dayhoff recoding, remipedes.
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2019-10-14 07:10:24Z
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2019-10-22 17:38:14Z
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2024-09-13 12:16:53Z
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Hexanauplia accepted as Thecostraca (additional source)