Deepest known novel species of the genus Ophiuroglypha Hertz, 1927 (Echinodermata: Ophiuroidea) from the central rift zone, Philippine Sea

A new species of brittle star was collected in 2021 by the manned submersible “Fendouzhe” from the central rift zone deep waters, Philippine Sea, at a depth of 7729 m. It is described as Ophiuroglypha fendouzhe sp. nov., and is distinguished from its congeners based on the following features: slend...

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Main Authors: Hasitha Nethupul, Sabine Stöhr, Haibin Zhang
Format: Article
Language:English
Published: Consortium of European Natural History Museums 2023-09-01
Series:European Journal of Taxonomy
Subjects:
Online Access:https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/2281
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author Hasitha Nethupul
Sabine Stöhr
Haibin Zhang
author_facet Hasitha Nethupul
Sabine Stöhr
Haibin Zhang
author_sort Hasitha Nethupul
collection DOAJ
description A new species of brittle star was collected in 2021 by the manned submersible “Fendouzhe” from the central rift zone deep waters, Philippine Sea, at a depth of 7729 m. It is described as Ophiuroglypha fendouzhe sp. nov., and is distinguished from its congeners based on the following features: slender arms, separated dorsal and ventral arm plates, overlapping large disc scales, and distally contiguous radial shields. We provide comprehensive descriptions of the external morphological features, including characteristics of the arm skeleton, and a phylogenetic analysis based on COI sequences. The interspecific genetic distance variation in the genus Ophiuroglypha found in this study was 3.89% to 24.25%. The new species constitutes the deepest known record for the genus Ophiuroglypha.
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spelling doaj.art-d609d561f3b14ccc99669fb5fd48e41c2023-09-26T22:18:21ZengConsortium of European Natural History MuseumsEuropean Journal of Taxonomy2118-97732023-09-01891110.5852/ejt.2023.891.2281Deepest known novel species of the genus Ophiuroglypha Hertz, 1927 (Echinodermata: Ophiuroidea) from the central rift zone, Philippine SeaHasitha Nethupul0Sabine Stöhr1Haibin Zhang2Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, CAS, 57200 Sanya, ChinaSwedish Museum of Natural History, Dept of Zoology, Box 50007, 10405 Stockholm, SwedenUniversity of Chinese Academy of Sciences, Beijing 100039 A new species of brittle star was collected in 2021 by the manned submersible “Fendouzhe” from the central rift zone deep waters, Philippine Sea, at a depth of 7729 m. It is described as Ophiuroglypha fendouzhe sp. nov., and is distinguished from its congeners based on the following features: slender arms, separated dorsal and ventral arm plates, overlapping large disc scales, and distally contiguous radial shields. We provide comprehensive descriptions of the external morphological features, including characteristics of the arm skeleton, and a phylogenetic analysis based on COI sequences. The interspecific genetic distance variation in the genus Ophiuroglypha found in this study was 3.89% to 24.25%. The new species constitutes the deepest known record for the genus Ophiuroglypha. https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/2281COIhadal zonemorphologyOphiopyrgidaetaxonomy
spellingShingle Hasitha Nethupul
Sabine Stöhr
Haibin Zhang
Deepest known novel species of the genus Ophiuroglypha Hertz, 1927 (Echinodermata: Ophiuroidea) from the central rift zone, Philippine Sea
European Journal of Taxonomy
COI
hadal zone
morphology
Ophiopyrgidae
taxonomy
title Deepest known novel species of the genus Ophiuroglypha Hertz, 1927 (Echinodermata: Ophiuroidea) from the central rift zone, Philippine Sea
title_full Deepest known novel species of the genus Ophiuroglypha Hertz, 1927 (Echinodermata: Ophiuroidea) from the central rift zone, Philippine Sea
title_fullStr Deepest known novel species of the genus Ophiuroglypha Hertz, 1927 (Echinodermata: Ophiuroidea) from the central rift zone, Philippine Sea
title_full_unstemmed Deepest known novel species of the genus Ophiuroglypha Hertz, 1927 (Echinodermata: Ophiuroidea) from the central rift zone, Philippine Sea
title_short Deepest known novel species of the genus Ophiuroglypha Hertz, 1927 (Echinodermata: Ophiuroidea) from the central rift zone, Philippine Sea
title_sort deepest known novel species of the genus ophiuroglypha hertz 1927 echinodermata ophiuroidea from the central rift zone philippine sea
topic COI
hadal zone
morphology
Ophiopyrgidae
taxonomy
url https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/2281
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