Total evidence phylogeny of Gasterosteidae: combining molecular, morphological and behavioral data |
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Authors: | Michelle Y Mattern Deborah A McLennan |
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Institution: | Department of Zoology, University of Toronto, Toronto, Ontario, Canada |
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Abstract: | Genealogical relationships among Gasterosteidae (Teleostei: Gasterosteiformes) were tested with 84 morphological, 48 behavioral, and 2879 molecular characters. Phylogenetic analysis of the combined data set identified a single (CI = 0.735) best‐supported hypothesis (Spinachia (Apeltes ((Pungitius + Culaea)(Gasterosteus aculeatus + G. wheatlandi)))). This hypothesis is identical to previous phylogenetic propositions proposed on the basis of behavioral, and behavioral plus morphological data. Our hypothesis, however, differed from a molecular‐based phylogeny in the placement of Apeltes. This analysis highlights the importance of combining all available evidence in order to produce the best‐supported proposition of genealogical relationships. |
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