Review of monophyly of the Kyphosidae (sensu Nelson, 1994), inferred from the mitochondrial ND2 gene |
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Authors: | Naoki Yagishita Takanori Kobayashi Tetsuji Nakabo |
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Institution: | (1) The Kyoto University Museum, Kyoto University, Kyoto 606-8501, Japan (e-mail: yagi@inet.museum.kyoto-u.ac.jp), JP;(2) National Research Institute of Aquaculture, Nansei, Mie 516-0193, Japan (e-mail: kobayash@nria affrc.go.jp), JP |
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Abstract: | Girella, Kyphosus, Scorpis, and some other perciform fishes have been regarded as being related to each other. Nelson (1994) recognized them as the
subfamilies under the Kyphosidae, but he did not show any synapomorphic characters uniting them. Johnson and Fritzsche (1989)
suggested that the perciform group characterized by RLA pattern 10, namely, Girellidae, Kyphosidae (not of Nelson, 1994),
Scorpididae, Microcanthidae, Kuhliidae, Arripidae, Oplegnathidae, Terapontidae, and families of the Stromateoidei, form a
monophyletic group. We estimated the phylogenetic relationships of fishes of the group to review monophyly of the Kyphosidae
(sensu Nelson, 1994) by partially sequencing the mitochondrially encoded NADH dehydrogenase subunit 2 gene. Labracoglossa-Scorpis, Oplegnathus, Kyphosus, Kuhlia, Microcanthus, and Girella constituted a single clade with relatively high reliability values for both the neighbor-joining (NJ) and maximum-likelihood
(ML) trees, but the monophyly of Kyphosidae (sensu Nelson, 1994) was not supported. The group characterized by RLA pattern
10 formed a monophyletic group both in the NJ and ML trees here; however, additional basal perciform taxa need to be analyzed
to resolve it more clearly.
Received: June 27, 2001 / Revised: September 29, 2001 / Accepted: October 28, 2001 |
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Keywords: | Ramus lateralis accessorius (RLA) pattern 10 Mitochondrial DNA ND2 gene Molecular phylogeny |
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