Benthodytes marianensis, a new species of abyssal elasipodid sea cucumbers (Elasipodida: Psychropotidae) from the Mariana Trench area
Li, Ya-Nan1,2; Xiao, Ning3; Zhang, Lv-Ping4; Zhang, Haibin1
2018-08-28
发表期刊ZOOTAXA
ISSN1175-5326
卷号4462期号:3页码:443-450
摘要Benthodytes marianensis sp. nov., is described from the Mariana Trench at the depth of 5567 m. This is the thirteenth species in Benthodytes Theel, 1882. The new species has a broad brim around the body, dark violet skin, 9 pairs of large dorsal papillae with other papillae of equal or smaller size situated elsewhere, forming two zigzag rows, and some minute papillae scattered around the anterior region. Body wall ossicles are rods, crosses with three or four arms and central apophyses, and crosses of an unusual type. Crosses with four arms and central bipartite, tripartite and tetrapartite apophyses and peculiar cross-shaped ossicles with high apophyses ending in two horizontal arms are present in the dorsum. Large rod-shaped ossicles with bipartite apophyses and crosses with three or four arms and rudimentary apophyses are present on the ventrum. B. marianensis is morphologically most similar to B. incerta, but it is distinguished from B. incerta by the number and arrangement of dorsal large papillae, the broad brim and details of ossicle morphology. The phylogenetic analyses based on (16S, COI) and nuclear genes (H3) all confirm the morphological identification.
关键词deep-sea holothurians new species Mariana Trench abyssal zone phylogenetic analysis
DOI10.11646/zootaxa.4462.3.10
资助者Chinese Academy of Sciences (CAS) ; National Key Research and Development Program of China ; Hundred Talents Program of CAS ; Major scientific and technological projects of Hainan Province
语种英语
关键词[WOS]ECHINODERMATA ; HOLOTHUROIDEA ; HOLOTHURIANS
资助项目Chinese Academy of Sciences (CAS)[XDB06010104] ; National Key Research and Development Program of China[2017YFC0306600] ; Hundred Talents Program of CAS[SIDSSE-BR-201401] ; Major scientific and technological projects of Hainan Province[ZDKJ2016012]
WOS研究方向Zoology
WOS类目Zoology
WOS记录号WOS:000442806800010
出版者MAGNOLIA PRESS
引用统计
文献类型期刊论文
条目标识符http://ir.idsse.ac.cn/handle/183446/6352
专题深海科学研究部_深海生物学研究室_海洋生物生态与进化研究组
通讯作者Zhang, Haibin
作者单位1.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Harine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China
第一作者单位中国科学院深海科学与工程研究所
通讯作者单位中国科学院深海科学与工程研究所
推荐引用方式
GB/T 7714
Li, Ya-Nan,Xiao, Ning,Zhang, Lv-Ping,et al. Benthodytes marianensis, a new species of abyssal elasipodid sea cucumbers (Elasipodida: Psychropotidae) from the Mariana Trench area[J]. ZOOTAXA,2018,4462(3):443-450.
APA Li, Ya-Nan,Xiao, Ning,Zhang, Lv-Ping,&Zhang, Haibin.(2018).Benthodytes marianensis, a new species of abyssal elasipodid sea cucumbers (Elasipodida: Psychropotidae) from the Mariana Trench area.ZOOTAXA,4462(3),443-450.
MLA Li, Ya-Nan,et al."Benthodytes marianensis, a new species of abyssal elasipodid sea cucumbers (Elasipodida: Psychropotidae) from the Mariana Trench area".ZOOTAXA 4462.3(2018):443-450.
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