A new loxosomatid species from the Kuril-Kamchatka trench area: Loxosomella marcusorum sp. n., the first record of hadal Entoprocta

被引:5
作者
Borisanova, Anastasia O. [1 ]
Chernyshev, Alexei, V [2 ,3 ]
机构
[1] Moscow MV Lomonosov State Univ, Fac Biol, Moscow 119991, Russia
[2] Russian Acad Sci, Natl Sci Ctr Marine Biol, Far Eastern Branch, Palchevskogo 17, Vladivostok 690041, Russia
[3] Far Eastern Fed Univ, Vladivostok 690600, Russia
基金
俄罗斯科学基金会;
关键词
Entoprocta; Echiura; Kamptozoa; Kuril-Kamchatka Trench; Hadal; Epibiont; New species; Ultra-abyssal; ANTARCTIC ENTOPROCTA;
D O I
10.1016/j.pocean.2019.102146
中图分类号
P7 [海洋学];
学科分类号
0707 ;
摘要
The first hadal entoproct, Loxosomella marcusorum sp. n., is described from the Kuril-Kamchatka Trench (45 degrees 57' N, 152 degrees 53' E). It was collected from depths of 6202-6204 m during the German-Russian deep-sea expedition (KuramBio II) aboard the R/V Sonne to the Kuril-Kamchatka Trench region in August-September 2016 (cruise SO-250). The species is up to 685 mu m in length, with 10-12 tentacles, with the latero-frontal budding area located at the level of the bottom of a stomach. The stalk ends with a star-shaped plate. L. marcusorum sp. n. is an epibiont of echiurid Thalassema sp. This is the first record of an entoproct living on the body surface of echiurids. A list of all the described deep-sea loxosomatid entoprocts is provided.
引用
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页数:6
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