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Two New Species of Abyssal Pogonophores from the Antarctic Ocean

机译:来自南极海的两个深层斜甲新物种

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摘要

Two new species of the genus Polybrachia Ivanov, Polybrachia macrolamellosa sp. n. and P. romanovi sp. n., found at two stations in the Atlantic sector of the Antarctic Ocean on cruises 11 and 43 of the R/V Akademik Kurchatov (1971 and 1985-1986) are described. The material was collected in the Scotia Sea (off northern Elephant Isle, at a depth of 3110 m) and in the South Sandwich Trench (8004-8116 m). The main distinctive features of the new species are the extremely large cuticular plaque (up to 88 μm in maximum diameter) on the trunk metameric papillae in P. macrolamellosa sp. n. and the very long cephalic lobe (L_(cl)/D_f is about 2) in P. romanovi sp. n.
机译:Polybrachia Ivanov属的两个新种,Polybrachia macrolamellosa sp。 。和P. romanovi sp。其中描述了在R / V Akademik Ku​​rchatov(1971和1985-1986)R / V巡洋舰11和43上在南极大西洋地区的两个站点发现的n。该材料收集在斯科舍海(北部象岛附近,深度为3110 m)和南桑威奇海沟(8004-8116 m)中。该新物种的主要特征是在巨大的P. macrolamellosa sp。的主干异位乳头上有非常大的表皮斑块(最大直径可达88μm)。 。罗马诺氏菌(P. romanovi sp。) 。

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