Redescription of Dynoides elegans (Boone, 1923) (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific

Dynoides elegans (Boone, 1923) from southern California is reviewed, redescribed, and figured. The original species description did not include figures, making it difficult to attribute individuals to the species. Dynoides saldanai Carvacho and Haasmann, 1984 and D. crenulatus Carvacho &...

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Main Authors: Regina Wetzer, Gracie Mowery
Format: Article
Language:English
Published: Pensoft Publishers 2017-01-01
Series:ZooKeys
Online Access:http://zookeys.pensoft.net/articles.php?id=10626
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author Regina Wetzer
Gracie Mowery
author_facet Regina Wetzer
Gracie Mowery
author_sort Regina Wetzer
collection DOAJ
description Dynoides elegans (Boone, 1923) from southern California is reviewed, redescribed, and figured. The original species description did not include figures, making it difficult to attribute individuals to the species. Dynoides saldanai Carvacho and Haasmann, 1984 and D. crenulatus Carvacho & Haasman, 1984 from the Pacific Coast of Mexico and D. brevicornis Kussakin & Malyutina, 1987, from Furugelm Island, Peter the Great Gulf in the Sea of Japan, appear morphologically more similar to each other than to western Pacific species. A large pleonal process is present in about half of the Dynoides species, but is absent in this north-eastern Pacific clade and the north-western Pacific D. brevicornis and D. brevispina. Dynoides dentisinus Shen, 1929 possess a large pleonal spine. It is known from China, Japan, and Korea and is introduced in San Francisco Bay; it can be easily distinguished from D. elegans by the presence of a pleonal process in the former. A key to the Pacific West Coast Dynoides is provided.
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spelling doaj.art-e36d231649fd446488162489197e08312022-12-21T23:18:51ZengPensoft PublishersZooKeys1313-29891313-29702017-01-0164611610.3897/zookeys.646.1062610626Redescription of Dynoides elegans (Boone, 1923) (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern PacificRegina Wetzer0Gracie Mowery1University of Southern CaliforniaUniversity of Southern CaliforniaDynoides elegans (Boone, 1923) from southern California is reviewed, redescribed, and figured. The original species description did not include figures, making it difficult to attribute individuals to the species. Dynoides saldanai Carvacho and Haasmann, 1984 and D. crenulatus Carvacho & Haasman, 1984 from the Pacific Coast of Mexico and D. brevicornis Kussakin & Malyutina, 1987, from Furugelm Island, Peter the Great Gulf in the Sea of Japan, appear morphologically more similar to each other than to western Pacific species. A large pleonal process is present in about half of the Dynoides species, but is absent in this north-eastern Pacific clade and the north-western Pacific D. brevicornis and D. brevispina. Dynoides dentisinus Shen, 1929 possess a large pleonal spine. It is known from China, Japan, and Korea and is introduced in San Francisco Bay; it can be easily distinguished from D. elegans by the presence of a pleonal process in the former. A key to the Pacific West Coast Dynoides is provided.http://zookeys.pensoft.net/articles.php?id=10626
spellingShingle Regina Wetzer
Gracie Mowery
Redescription of Dynoides elegans (Boone, 1923) (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific
ZooKeys
title Redescription of Dynoides elegans (Boone, 1923) (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific
title_full Redescription of Dynoides elegans (Boone, 1923) (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific
title_fullStr Redescription of Dynoides elegans (Boone, 1923) (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific
title_full_unstemmed Redescription of Dynoides elegans (Boone, 1923) (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific
title_short Redescription of Dynoides elegans (Boone, 1923) (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific
title_sort redescription of dynoides elegans boone 1923 crustacea isopoda sphaeromatidae from the north eastern pacific
url http://zookeys.pensoft.net/articles.php?id=10626
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AT graciemowery redescriptionofdynoideselegansboone1923crustaceaisopodasphaeromatidaefromthenortheasternpacific