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Molecular Systematics of Tanaidacea (Crustacea: Peracarida) Based on 18S Sequence Data, with an Amendment of Suborder/Superfamily-Level Classification

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/71140

Title: Molecular Systematics of Tanaidacea (Crustacea: Peracarida) Based on 18S Sequence Data, with an Amendment of Suborder/Superfamily-Level Classification
Authors: Kakui, Keiichi Browse this author →KAKEN DB
Katoh, Toru Browse this author →KAKEN DB
Hiruta, Shimpei F. Browse this author
Kobayashi, Norio Browse this author
Kajihara, Hiroshi Browse this author →KAKEN DB
Keywords: Tanaidacea
Neotanaidae
18S rRNA
phylogenetic relationship
suborder/superfamily-level
classification
Issue Date: 2011
Journal Title: Zoological Science
Volume: 28
Issue: 10
Start Page: 749
End Page: 757
Publisher DOI: 10.2108/zsj.28.749
PMID: 21967223
Abstract: Phylogenetic relationships within Tanaidacea were analyzed based on sequence data for the 18S rRNA gene. Our results strongly supported a monophyletic group composed of Neotanaidae, Tanaoidea, and Paratanaoidea, with the first two taxa forming a clade. These results contradict three previously suggested hypotheses of relationships. Based on the molecular results, and considering morphological similarities/differences between Neotanaidomorpha and Tanaidomorpha, we demoted Suborder Neotanaidomorpha to Superfamily Neotanaoidea within Tanaidomorpha; with this change, the classification of extant tanaidaceans becomes a two-suborder, four-superfamily system. This revision required revision of the diagnoses for Tanaidomorpha and its three superfamilies. The results for Apseudomorpha were ambiguous: this taxon was monophyletic in the maximum likelihood and Bayesian analyses, but paraphyletic in the maximum parsimony and minimum evolution analyses.
Type: article
URI: http://hdl.handle.net/2115/71140
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 角井 敬知

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