非古代而是新时代:Neotenactis amateras gen. et sp. nov.,北太平洋gonactinid海葵的首次记录(刺胞目:珊瑚虫目:海葵科)。

IF 0.9 4区 生物学 Q3 ZOOLOGY
Takato Izumi, Takeya Moritaki
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引用次数: 0

摘要

Gonactiniidae Carlgren, 1893是猕猴桃属中形态最简单的海葵科之一。它目前包括两个单型属,每个属由19世纪在大西洋描述的一个物种组成,尽管地中海和南太平洋也报告了其他标本。在这项研究中,我们在日本太平洋沿岸的熊野那田发现了一种新的gonactiniid海葵。这是这个家族在北太平洋的第一次记录。根据我们的系统发育分析,这种海葵是Gonactinia Sars(1851年)和Protanthea Carlgren(1891年)的姐妹群。因此,我们为这个新种建立了一个新属。此外,我们还在此基础上讨论了该海葵谱系的体型简化,该新种表现出介于其他性腺碱类和非性腺碱类海葵之间的中间形态。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Not Ancient But Neotenic: Neotenactis amateras gen. et sp. nov., the First Record of a Gonactiniid Anemone from the North Pacific (Cnidaria: Anthozoa: Enthemonae).

The metridioid enthemonaean sea-anemone family Gonactiniidae Carlgren, 1893 is characterized by having one of the simplest morphologies among the Actiniaria. It currently includes two monotypic genera, each consisting of a species described in the 19th century from the Atlantic, although additional specimens have also been reported from the Mediterranean and South Pacific. In this study, we discovered a new species of gonactiniid anemone from Kumano-Nada, off the Pacific coast of Japan. This is the first record of this family from the North Pacific. According to our phylogenetic analyses, this anemone is the sister group to the other two genera of Gonactiniidae, Gonactinia Sars, 1851 and Protanthea Carlgren, 1891. Accordingly, we establish a new genus for this new species. Additionally, we discuss the simplification of body form in this lineage of sea anemones based on the discovery of this new species, which exhibits an intermediate morphology between the other gonactiniids and non-gonactiniid actiniarians.

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来源期刊
Zoological Science
Zoological Science 生物-动物学
CiteScore
1.70
自引率
11.10%
发文量
59
审稿时长
1 months
期刊介绍: Zoological Science is published by the Zoological Society of Japan and devoted to publication of original articles, reviews and editorials that cover the broad field of zoology. The journal was founded in 1984 as a result of the consolidation of Zoological Magazine (1888–1983) and Annotationes Zoologicae Japonenses (1897–1983), the former official journals of the Zoological Society of Japan. Each annual volume consists of six regular issues, one every two months.
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