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Paraphelliactis tangi n. sp and Phelliactis yapensis n. sp., two new deep-sea species of Hormathiidae (Cnidaria: Anthozoa: Actiniaria) from a seamount in the tropical Western Pacific
Li, Yang1; Xu, Kuidong1,2
2016-02-02
Source PublicationZOOTAXA
Volume4072Issue:3Pages:358-372
SubtypeArticle
AbstractTwo new species of hormathiid actiniarians, Paraphelliactis tangi n. sp. and Phelliactis yapensis n. sp., are described from a seamount near the Yap Trench in the tropical Western Pacific. Paraphelliactis tangi n. sp. has a thick cuticle, a tuberculated column divisible into scapus and scapulus, a complete fifth cycle of mesenteries, an equal number of mesenteries at the margin and at the limbus, and up to 192 tentacles without aboral mesogloeal thickenings that are hexamerously arranged in six cycles. This species differs distinctly from the three known species of Paraphelliactis by the above mentioned features (vs. an incomplete fifth cycle of mesenteries, usually more mesenteries at the margin than at the limbus, and the tentacles with aboral mesogloeal thickenings). So far, it is the only member of the genus Paraphelliactis found in the Western Pacific. Phelliactis yapensis n. sp. has an asymmetric bilobed oral disc and column, tuberculated scapus and scapulus, an incomplete fifth cycle of mesenteries, and up to 162 tentacles with aboral mesogloeal thickenings that are alternately arranged in two cycles. In comparison with other Phelliactis species, the basitrichs of mesenterial filaments of Ph. yapensis are distinctly larger. Phelliactis yapensis n. sp. is the fourth species of Phelliactis found in the Western Pacific.
KeywordSea Anemone Hexacorallia Coelenterata Taxonomy New Species
Indexed BySCI
Language英语
WOS IDWOS:000369390800005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/112444
Collection海洋生物分类与系统演化实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Yang,Xu, Kuidong. Paraphelliactis tangi n. sp and Phelliactis yapensis n. sp., two new deep-sea species of Hormathiidae (Cnidaria: Anthozoa: Actiniaria) from a seamount in the tropical Western Pacific[J]. ZOOTAXA,2016,4072(3):358-372.
APA Li, Yang,&Xu, Kuidong.(2016).Paraphelliactis tangi n. sp and Phelliactis yapensis n. sp., two new deep-sea species of Hormathiidae (Cnidaria: Anthozoa: Actiniaria) from a seamount in the tropical Western Pacific.ZOOTAXA,4072(3),358-372.
MLA Li, Yang,et al."Paraphelliactis tangi n. sp and Phelliactis yapensis n. sp., two new deep-sea species of Hormathiidae (Cnidaria: Anthozoa: Actiniaria) from a seamount in the tropical Western Pacific".ZOOTAXA 4072.3(2016):358-372.
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