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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/46128

Title: Speciation, phenotypic plasticity, or ontogeny, the case of the genus Galkinius (Pyrgomatidae, Cirripedia, Crustacea).
Authors: Noa Simon‐Blecher
Andrew M. Hosie
Tamar Guy‐Haim
Benny K. K. Chan
Yair Achituv
Contributors: 國立臺灣海洋大學:海洋生物研究所
Keywords: ontogeny of opercular plates
coral inhabiting barnacles
barnacle biodiversity
host specificity
Date: 2016
Issue Date: 2018-05-02T08:03:00Z
Publisher: Zoological Journal of the Linnean Society
Abstract: Abstract: Barnacles of the genus Galkinius occupy a large spectrum of host corals, making it one of the least host‐specific genera within the Pyrgomatidae. Molecular analyses show that within the genus Galkinius there are highly supported clades, suggesting that the genus Galkinius is a complex of evolutionarily significant units (ESUs). The morphology of the opercular valves has been used as the basis for the separation of species of Galkinius. In this study, morphological variability was found both between specimens within ESUs extracted from different host species and between specimens extracted from the same colony. Identifications based on the opercular valves cannot therefore be assigned to different species despite being genetically distinguishable. It is proposed that in many cases the differences between valve morphology of different species of Galkinius are the outcome of ontogeny. Allometric growth of the valves has resulted in differences in the proportions of the parts of the valve. © 2015 The Linnean Society of London
Relation: 176(2) pp.305-322
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/46128
Appears in Collections:[海洋生物研究所] 期刊論文

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