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Issue: Vol. 4171 No. 3: 29 Sept. 2016
Type: Article
Published: 2016-09-29
DOI: 10.11646/zootaxa.4171.3.10
Page range: 562–574
Abstract views: 59
PDF downloaded: 1

Three new species of glass sponges Pheronematidae (Porifera: Hexactinellida) from the deep-sea of the northwestern Pacific Ocean

Marine biodiversity and Global Change Research Center, Xiamen University, Xiamen, 361005, China
Laboratory of Marine Ecosystem and Biogeochemistry, Second Institute of Oceanography, State Oceanic Administration, Hangzhou, 310012, China State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou, 310012, China
Marine biodiversity and Global Change Research Center, Xiamen University, Xiamen, 361005, China
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou, 310012, China
Porifera Hexactinellida Pheronematidae northwestern Pacific Ocean new species taxonomy

Abstract

Three new glass sponge species of the family Pheronematidae are described in this study. Specimens were sampled in the northwestern Pacific Ocean during cruise DY125–35I expedition (July–August, 2014) conducted by the China Ocean Mineral Resources R&D Association. All samples were collected by the Chinese manned submersible Jiaolong HOV at a depth of 1627–2897 m. The three species belonging to three genera of the same family were observed, i.e., Platylistrum subviridum sp. nov. Poliopogon canaliculatus sp. nov. and Semperella retrospinella sp. nov. An unique form of the pinular ray of pinular pentactins with reclined spines is described for S. retrospinella sp. nov. This is also the first record of Platylistrum in the Pacific Ocean.

 

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