{"title":"Sand Armored Edwardsiids: Two New Species of <i>Paraedwardsia</i> (Cnidaria: Anthozoa: Actiniaria: Edwardsiidae) from Japan.","authors":"Takato Izumi","doi":"10.2108/zs210052","DOIUrl":null,"url":null,"abstract":"<p><p><i>Paraedwardsia</i>, a genus of sea anemones within the family Edwardsiidae, is characterized by tenaculi on the surface of the column, often covered by sand grains. Most species of this genus are known from areas deeper than 200 m. From Japanese waters, three specimens were recently collected, and are formally described here as <i>Paraedwardsia rinkaimaruae</i> sp. nov. and <i>Paraedwardsia moroisoensis</i> sp. nov. The latter species was collected from 6 m depth, and this is the shallowest record of this genus. In addition, <i>P. rinkaimaruae</i> sp. nov. has a few sack-like structures in its mesoglea, which might be the key to the evolution of nemathybomes.</p>","PeriodicalId":24040,"journal":{"name":"Zoological Science","volume":"40 1","pages":"70-78"},"PeriodicalIF":0.9000,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Zoological Science","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.2108/zs210052","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ZOOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Paraedwardsia, a genus of sea anemones within the family Edwardsiidae, is characterized by tenaculi on the surface of the column, often covered by sand grains. Most species of this genus are known from areas deeper than 200 m. From Japanese waters, three specimens were recently collected, and are formally described here as Paraedwardsia rinkaimaruae sp. nov. and Paraedwardsia moroisoensis sp. nov. The latter species was collected from 6 m depth, and this is the shallowest record of this genus. In addition, P. rinkaimaruae sp. nov. has a few sack-like structures in its mesoglea, which might be the key to the evolution of nemathybomes.
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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