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Title of Journal: J Ocean Univ China

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Abbravation: Journal of Ocean University of China

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Springer Berlin Heidelberg

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1993-5021

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A preliminary phylogenetic analysis of Emphasis T

Authors: Ning Xiao Ruiyu Liu Shuai Yuan Zhongli Sha
Publish Date: 2013/07/25
Volume: 12, Issue: 3, Pages: 459-468
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Abstract

Luidia Forbes Paxillosida Luidiidae are common soft bottom sea stars with 49 described species Because of substantial morphological diversity the taxonomy of the genus is complex and hasn’t been resolved definitely In order to resolve general taxonomic issues and determine species boundaries and phylogenetic relationships within the genus Luidia the sequences of cytochrome oxidase subunit I COI gene from 24 specimens of Luidia belonging to eight taxa in Chinese waters were studied Three sequences of two species in genus Luidia from GenBank were used to analyze the phylogenetic relationships The molecular phylogeny exhibited three main clades each with strong bootstrap support Clade A including Luidia quinaria from the Sea of Japan Clade B including seven nominal species L quinaria von Martens L yesoensis Goto L changi Liu Liao and Li L orientalis Fisher L avicularia Fisher L longispina Sladen and L hardwicki Gray from Chinese waters and Clade C including L maculata Müller Troschel from Chinese waters Our molecular phylogeny results support the morphological QuinariaGroup and AlternataGroup assigned by Döderlein Seven nominal species we sampled do not exhibit genetic distances that are large enough to recognize them as separate species Cryptic species may exist in’ Luidia quinaria’ from the Yellow Sea and the Sea of Japan Meaningful morphological characters need further investigation in Luidia

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  13. Study on hydrography and small-scale process over Zhoushan sea area
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