Reinstatement and redescription of Lebbeus armatus (Owen, 1839), long synonymized with L. groenlandicus (Fabricius, 1775), and description of one new species from the southwestern Sea of Okhotsk, Hokkaido, Japan (Crustacea: Decapoda: Caridea: Thoridae)
The caridean shrimp species Lebbeus armatus (Owen, 1839) (Thoridae), originally described from Kamchatka, is reinstated from the synonymy of L. groenlandicus (Fabricius, 1775) and redescribed. It is easily distinguished from L. groenlandicus by having dense covering of short setae on the carapace an...
Published in: | Zootaxa |
---|---|
Main Author: | |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Mangolia Press
2015
|
Subjects: | |
Online Access: | https://www.mapress.com/j/zt/article/view/zootaxa.3905.4.1 https://doi.org/10.11646/zootaxa.3905.4.1 |
id |
ftmagnoliapress:oai:ojs.mapress.com:article/33614 |
---|---|
record_format |
openpolar |
spelling |
ftmagnoliapress:oai:ojs.mapress.com:article/33614 2023-05-15T16:59:26+02:00 Reinstatement and redescription of Lebbeus armatus (Owen, 1839), long synonymized with L. groenlandicus (Fabricius, 1775), and description of one new species from the southwestern Sea of Okhotsk, Hokkaido, Japan (Crustacea: Decapoda: Caridea: Thoridae) KOMAI, TOMOYUKI 2015-01-14 application/pdf https://www.mapress.com/j/zt/article/view/zootaxa.3905.4.1 https://doi.org/10.11646/zootaxa.3905.4.1 eng eng Mangolia Press https://www.mapress.com/j/zt/article/view/zootaxa.3905.4.1/31160 Copyright (c) 2016 Zootaxa Zootaxa; Vol 3905, No 4: 14 Jan. 2015; 451–473 1175-5334 1175-5326 10.11646/zootaxa.3905.4 Lebbeus magnificus n. sp. Kitami-Yamato Bank Crustacea info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2015 ftmagnoliapress https://doi.org/10.11646/zootaxa.3905.4.1 2019-09-17T15:03:07Z The caridean shrimp species Lebbeus armatus (Owen, 1839) (Thoridae), originally described from Kamchatka, is reinstated from the synonymy of L. groenlandicus (Fabricius, 1775) and redescribed. It is easily distinguished from L. groenlandicus by having dense covering of short setae on the carapace and lateral parts of the pleon (versus only sparse setae are present), the clearly delimited branchial ridge on the carapace (versus at most a trace of a branchial ridge being discernible), the postrostral dorsal teeth noticeably becoming stronger and higher anteriorly (versus the anteriormost postrostral tooth is not the strongest), the higher number of ventral teeth of the second pleuron (three to five versus one) and of the third and fourth pleura (three or four versus one or two), and the usual presence of one or two spines on the carpi of the third to fifth pereopods (versus unarmed). A new species, L. magnificus, is described and illustrated on the basis of five specimens from the Kitami-Yamato Bank, southwestern Sea of Okhotsk, Hokkaido, Japan. The new species appears closest to L. groenlandicus, but is easily distinguished from the latter by having five postrostral teeth in females (versus four), more numerous ventral teeth on the fifth pleuron (three or four versus two), the stouter inner flagellum of the antennule in males, and the more numerous meral spines on the third to fifth pereopods. Previous records of L. groenlandicus from East Asian waters are referred to L. armatus. Records of L. groenlandicus from the northeastern Pacific remain to be reassessed, because specimens reported from the area do not agree in some characters with any of the three species treated in this study. Article in Journal/Newspaper Kamchatka Magnolia press Okhotsk Pacific Yamato ENVELOPE(35.583,35.583,-71.417,-71.417) Zootaxa 3905 4 451 |
institution |
Open Polar |
collection |
Magnolia press |
op_collection_id |
ftmagnoliapress |
language |
English |
topic |
Lebbeus magnificus n. sp. Kitami-Yamato Bank Crustacea |
spellingShingle |
Lebbeus magnificus n. sp. Kitami-Yamato Bank Crustacea KOMAI, TOMOYUKI Reinstatement and redescription of Lebbeus armatus (Owen, 1839), long synonymized with L. groenlandicus (Fabricius, 1775), and description of one new species from the southwestern Sea of Okhotsk, Hokkaido, Japan (Crustacea: Decapoda: Caridea: Thoridae) |
topic_facet |
Lebbeus magnificus n. sp. Kitami-Yamato Bank Crustacea |
description |
The caridean shrimp species Lebbeus armatus (Owen, 1839) (Thoridae), originally described from Kamchatka, is reinstated from the synonymy of L. groenlandicus (Fabricius, 1775) and redescribed. It is easily distinguished from L. groenlandicus by having dense covering of short setae on the carapace and lateral parts of the pleon (versus only sparse setae are present), the clearly delimited branchial ridge on the carapace (versus at most a trace of a branchial ridge being discernible), the postrostral dorsal teeth noticeably becoming stronger and higher anteriorly (versus the anteriormost postrostral tooth is not the strongest), the higher number of ventral teeth of the second pleuron (three to five versus one) and of the third and fourth pleura (three or four versus one or two), and the usual presence of one or two spines on the carpi of the third to fifth pereopods (versus unarmed). A new species, L. magnificus, is described and illustrated on the basis of five specimens from the Kitami-Yamato Bank, southwestern Sea of Okhotsk, Hokkaido, Japan. The new species appears closest to L. groenlandicus, but is easily distinguished from the latter by having five postrostral teeth in females (versus four), more numerous ventral teeth on the fifth pleuron (three or four versus two), the stouter inner flagellum of the antennule in males, and the more numerous meral spines on the third to fifth pereopods. Previous records of L. groenlandicus from East Asian waters are referred to L. armatus. Records of L. groenlandicus from the northeastern Pacific remain to be reassessed, because specimens reported from the area do not agree in some characters with any of the three species treated in this study. |
format |
Article in Journal/Newspaper |
author |
KOMAI, TOMOYUKI |
author_facet |
KOMAI, TOMOYUKI |
author_sort |
KOMAI, TOMOYUKI |
title |
Reinstatement and redescription of Lebbeus armatus (Owen, 1839), long synonymized with L. groenlandicus (Fabricius, 1775), and description of one new species from the southwestern Sea of Okhotsk, Hokkaido, Japan (Crustacea: Decapoda: Caridea: Thoridae) |
title_short |
Reinstatement and redescription of Lebbeus armatus (Owen, 1839), long synonymized with L. groenlandicus (Fabricius, 1775), and description of one new species from the southwestern Sea of Okhotsk, Hokkaido, Japan (Crustacea: Decapoda: Caridea: Thoridae) |
title_full |
Reinstatement and redescription of Lebbeus armatus (Owen, 1839), long synonymized with L. groenlandicus (Fabricius, 1775), and description of one new species from the southwestern Sea of Okhotsk, Hokkaido, Japan (Crustacea: Decapoda: Caridea: Thoridae) |
title_fullStr |
Reinstatement and redescription of Lebbeus armatus (Owen, 1839), long synonymized with L. groenlandicus (Fabricius, 1775), and description of one new species from the southwestern Sea of Okhotsk, Hokkaido, Japan (Crustacea: Decapoda: Caridea: Thoridae) |
title_full_unstemmed |
Reinstatement and redescription of Lebbeus armatus (Owen, 1839), long synonymized with L. groenlandicus (Fabricius, 1775), and description of one new species from the southwestern Sea of Okhotsk, Hokkaido, Japan (Crustacea: Decapoda: Caridea: Thoridae) |
title_sort |
reinstatement and redescription of lebbeus armatus (owen, 1839), long synonymized with l. groenlandicus (fabricius, 1775), and description of one new species from the southwestern sea of okhotsk, hokkaido, japan (crustacea: decapoda: caridea: thoridae) |
publisher |
Mangolia Press |
publishDate |
2015 |
url |
https://www.mapress.com/j/zt/article/view/zootaxa.3905.4.1 https://doi.org/10.11646/zootaxa.3905.4.1 |
long_lat |
ENVELOPE(35.583,35.583,-71.417,-71.417) |
geographic |
Okhotsk Pacific Yamato |
geographic_facet |
Okhotsk Pacific Yamato |
genre |
Kamchatka |
genre_facet |
Kamchatka |
op_source |
Zootaxa; Vol 3905, No 4: 14 Jan. 2015; 451–473 1175-5334 1175-5326 10.11646/zootaxa.3905.4 |
op_relation |
https://www.mapress.com/j/zt/article/view/zootaxa.3905.4.1/31160 |
op_rights |
Copyright (c) 2016 Zootaxa |
op_doi |
https://doi.org/10.11646/zootaxa.3905.4.1 |
container_title |
Zootaxa |
container_volume |
3905 |
container_issue |
4 |
container_start_page |
451 |
_version_ |
1766051703321264128 |