A New Species of Coralliidae (Cnidaria: Octocorallia) Collected from Eastern Japan

Q4 Agricultural and Biological Sciences

Species Diversity Pub Date : 2023-11-09 DOI:10.12782/specdiv.28.231

Masanori Nonaka, Nozomi Hanahara, Keiichi Kakui

引用次数: 0

Abstract

A new species of Hemicorallium Gray, 1867 (Coralliidae), Hemicorallium meraboshi sp. nov., is described here. The specimen was found at a depth of 1744–1755 m, approximately 340 km east of the Honshu (mainland Japan) coast. The colony was identified by visual and microscopic observation of standard morphological characteristics (colony size, diameters of colony base and branches, diameter and height of autozooid mound, thickness of coenenchyme, sclerite sizes, etc.) along with support from molecular evidence. The unique features of this specimen are the large (more than 2 mm in diameter) autozooid mounds and the sizable sclerites in the coenenchyme (over 0.1 mm long) that are 8-radiates and multi-radiates predominantly. This new species is the northernmost record of Pacific precious corals.

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标题日本东部珊瑚科一新种(刺胞目:珊瑚科)

本文报道了1867年corallium Gray (coralliae)的一新种，Hemicorallium meraboshi sp. nov.。该标本是在本州岛(日本大陆)海岸以东约340公里的1744-1755米深处发现的。通过目视和显微观察标准形态特征(菌落大小、菌落基部和分枝直径、自动丘直径和高度、间叶酶厚度、硬化石大小等)并结合分子证据进行鉴定。该标本的独特特征是大的(直径大于2毫米)自旋丘和大的胶结质(超过0.1毫米长)，以8辐状和多辐状为主。这个新物种是太平洋珍贵珊瑚最北端的记录。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.