Lavrenteva, Anna V. and Mühlenhardt-Siegel, Ute (2015) Three new species and one new genus of abyssal Cumacea (Crustacea, Malacostraca, Peracarida) from the Kuril–Kamchatka Trench area. Deep-Sea Research Part II-Topical Studies in Oceanography, 111 . pp. 301-324. DOI 10.1016/j.dsr2.2014.08.013.

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Abstract

Only two species of crustacean Cumacea have been reported in publications for the Kuril–Kamchatka Trench area after nine expeditions on board of the RV “Vityaz”. During the KuramBio expedition 2012 to the Kuril–Kamchatka Trench and the adjacent abyssal plain at depths 4830–5780 m no less than 72 species of cumaceans from 23 genera and 6 families were sampled. Five genera were recorded for the first time in the studied region: the genera Pseudoleptostyloides and Platycuma were detected for the first time for the Pacific Ocean; Cyclaspoides, Bathylamprops and Styloptocuma were firstly sampled in North Pacific. About 90% of the sampled species appear to be new to science.

Three new deep-sea cumacean species and one new genus from the Kurile Kamchatka area are described in the present paper: Abyssoleucon tzarevae gen. n., sp. n. belonging to the family Leuconidae, Cyclaspoides borisovetsi sp. n. and Bathycuma sonne sp. n. of the family Bodotriidae. A distribution map for the species of the genus Cyclaspoides is provided.

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