帝王海山珊瑚科标本报告及三新种记述

Q4 Agricultural and Biological Sciences Species Diversity Pub Date : 2021-10-14 DOI:10.12782/specdiv.26.297

M. Nonaka, T. Hayashibara

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引用次数: 2

摘要

2009 - 2012年，对从皇帝海山采集的22个珊瑚科深水八珊瑚标本进行了调查。标本采自350 ~ 1100米深，主要采自皇帝海山最南端。通过肉眼和显微镜观察菌落的标准形态特征(菌落大小、菌落基部和分枝的直径、自动丘的直径和高度、协叶酶的厚度和刚石的大小等)以及分子DNA分析的支持信息来鉴定菌落。22个标本中有一半被鉴定为Pleurocorallium cf. pusillum (Kishinouye, 1903)，表明曾经在该地区占优势的被称为“Mid”的物种就是该物种。其余11个标本被鉴定为半花属(Hemicorallium Gray, 1867)。这些被鉴定为属于以下物种:一个先前描述的物种[H。laauense (Bayer, 1956)]，三个相似的物种[H。[cf. abyssale (Bayer, 1956)， H. cf. regale (Bayer, 1956)， H. cf. sulcatum (Kishinouye, 1903)]和3个新种(H. kaiyo sp. nov.， H. muzikae sp.，和H. tokiyasui sp. nov.)。

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A Report on Coralliidae (Cnidaria: Octocorallia) Specimens Collected from the Emperor Seamounts with Descriptions of Three New Species

Investigations were carried out on 22 deep-water octocoral specimens in the family Coralliidae sampled from the Emperor Seamounts during 2009 to 2012. The specimens were collected from 350–1100 m deep, mostly from the southernmost region of the Emperor Seamounts. Colonies were identified by visual and microscopic observation of standard morphological characters (colony size, diameters of colony base and branches, diameter and height of autozooid mound, thickness of coenenchyme and sclerite sizes, etc.) along with supporting information from molecular DNA analysis. Half of the 22 specimens were identified as Pleurocorallium cf. pusillum (Kishinouye, 1903), suggesting that the species called “Mid” that was once harvested dominantly in this area was this species. The remaining 11 specimens were identified as genus Hemicorallium Gray, 1867. These were identified as belonging to the following species: one previously described species [H. laauense (Bayer, 1956)], three similar species [H. cf. abyssale (Bayer, 1956), H. cf. regale (Bayer, 1956), H. cf. sulcatum (Kishinouye, 1903)] and three new species (H. kaiyo sp. nov., H. muzikae sp. nov. and H. tokiyasui sp. nov.).

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来源期刊

Species Diversity Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.20

自引率

0.00%

发文量

期刊介绍： Species Diversity is a peer-reviewed, open-access international journal on all aspects of animal species diversity. Species Diversity is published by the Japanese Society of Systematic Zoology. It is the English-language successor of the Proceedings of the Japanese Society of Systematic Zoology and complements the latter’s Japanese-language continuation, Taxa. e purpose of Species Diversity is to facilitate the international ex change of information about animal species diversity by publishing papers dealing with all aspects of taxonomy, systematics, speciation, biogeography, and life his tory research.