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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45118

Title: Phylogeny of Indo-West Pacific pontoniine shrimps (Crustacea: Decapoda: Caridea) based on multilocus analysis
Authors: Zhi Bin Gan;Xin Zheng Li;Tin-Yam Chan;Ka Hou Chu;Qi Kou
Contributors: 國立臺灣海洋大學:海洋生物研究所
Keywords: Caridea;Pontoniinae;Indo;West Pacific;molecular phylogenetics;multiple invasions
Date: 2015-08
Issue Date: 2017-12-29T01:26:38Z
Publisher: Journal of Zoology System Evolution Research
Abstract: Abstract:The phylogenetic relationships and evolutionary processes within the subfamily Pontoniinae, a speciose group of shrimps with diverse lifestyles (free living, semi-symbiotic and symbiotic) inhabiting the coral reefs of tropical oceans, are an interesting and undeveloped subject of study. In this work, two mitochondrial ribosomal genes (12S rRNA and 16S rRNA) and two protein-coding nuclear genes (Histone 3 and the sodium–potassium ATPase α-subunit) were employed to reconstruct the phylogenetic relationships of 42 genera and 101 species within Pontoniinae. Compared to previous studies, ten additional genera were shown to be monophyletic groups, and the genera Dactylonia and Periclimenaeus were shown to be paraphyletic. The shallow-water crinoid-associated pontoniines were divided into several groups which were mostly consistent with the morphological analysis. The studied bivalve-associated taxa exhibited ancestries that were traceable to different lineages, and two groups could be distinguished: Anchiopontonia + Conchodytes and Anchistus. The similar situation occurred in other echinoderm-associated pontoniines. These results suggest that pontoniines sharing the same hosts may have different evolutionary origins resulting from multiple intrusions of their hosts by morphologically plastic ancestral groups.
Relation: 53(4): 282-290
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45118
Appears in Collections:[海洋生物研究所] 期刊論文

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