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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45772

Title: Phylogenetic and biogeographic analysis of the spear lobsters Linuparus (Decapoda, Palinuridae), with the description of a new species.
Authors: Kwok Ho Tsoi
Tin-Yam Chan
Ka Hou Chu
Contributors: 國立臺灣海洋大學:海洋生物研究所
Keywords: Linuparus meridionalis
Cryptic species
Spear lobster
Date: 2011
Issue Date: 2018-04-10T07:18:57Z
Publisher: Zoologischer Anzeiger - A Journal of Comparative Zoology
Abstract: Abstract: Linuparus White, 1847 comprises three extant species, Linuparus trigonus (Von Siebold, 1824), L. sordidus Bruce, 1965, and L. somniosus Berry and George, 1972, as well as 32 fossil species. Most fossil records are from North America and Europe, but the extant species are all confined to the Indo-West Pacific. Different colour forms in L. trigonus and L. sordidus have been noted, with Northern Hemisphere specimens generally darker in colour for both species. The phylogenetic relationships of the extant Linuparus species, including the colour forms, were investigated using mitochondrial 12S rRNA and COI gene sequence analysis. We found no genetic evidence to differentiate the colour morphs of L. sordidus, but the two colour forms of L. trigonus were clearly distinct at the species level. This is supported morphologically by a consistent difference in the shape of the thoracic sternum between the two forms. The paler coloured Southern Hemisphere form is described as a new species, L. meridionalis. Phylogenetic analysis shows that L. trigonus and L. meridionalis sp. nov. are derived sister taxa, while L. somniosus is basal within the genus. Thus the present results support the previous hypothesis that Linuparus was originated in shallow water.
Relation: 250(4) pp.302-315
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45772
Appears in Collections:[海洋生物研究所] 期刊論文

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