Cryosignum nordenstami Just & Wilson 2021, sp. nov.
Cryosignum nordenstami sp. nov. (Fig. 8) Austrosignum glaciale Hodgson, 1910.— Nordenstam, 1933: 241, fig. 66. ‘ Cryosignum’ undescribed species.— Just & Wilson, 2007: 14. Type fixation. Holotype, ♀, SMNH 79450.—Here designated. Type locality. South Georgia, north of Grytviken. Etymology. The sp...
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ftzenodo:oai:zenodo.org:4697826 2023-06-06T11:46:22+02:00 Cryosignum nordenstami Just & Wilson 2021, sp. nov. Just, Jean Wilson, George D. F. name=Grytviken; east=-36.466667; north=-54.366665 2021-04-12 https://zenodo.org/record/4697826 https://doi.org/10.5281/zenodo.4697826 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C487E378276427FF09EEA7EFF5FA97 doi:10.11646/zootaxa.4952.3.1 http://zenodo.org/record/4690423 http://publication.plazi.org/id/FFFDFF9B78296428FF9EEE30EB46FFEE doi:10.5281/zenodo.4690439 http://zoobank.org/837C9916-5232-4D49-9D0D-050B539CD965 doi:10.5281/zenodo.4697825 https://zenodo.org/communities/biosyslit https://zenodo.org/record/4697826 https://doi.org/10.5281/zenodo.4697826 oai:zenodo.org:4697826 info:eu-repo/semantics/openAccess Redescriptions and new species in the ' Austrosignum-Munnogonium' complex sensu Just & Wilson (2007), mainly from the Southern Hemisphere (Crustacea Isopoda: Paramunnidae), pp. 401-447 in Zootaxa 4952(3) 415-416 Biodiversity Taxonomy Animalia Arthropoda Malacostraca Isopoda Paramunnidae Cryosignum Cryosignum nordenstami info:eu-repo/semantics/other publication-taxonomictreatment 2021 ftzenodo https://doi.org/10.5281/zenodo.469782610.11646/zootaxa.4952.3.110.5281/zenodo.469043910.5281/zenodo.4697825 2023-04-13T21:15:28Z Cryosignum nordenstami sp. nov. (Fig. 8) Austrosignum glaciale Hodgson, 1910.— Nordenstam, 1933: 241, fig. 66. ‘ Cryosignum’ undescribed species.— Just & Wilson, 2007: 14. Type fixation. Holotype, ♀, SMNH 79450.—Here designated. Type locality. South Georgia, north of Grytviken. Etymology. The species is named for Dr Åke Nordenstam, who reported these specimens from South Georgia. Material examined. Holotype. ♀ (pereiopods I missing), 1.5 mm. South Georgia, north of Grytviken, 54°22’S, 36°28’W, 12–15 m, sand and algae, Swedish Antarctic Expedition 1901–1903, stn 28, 24 May 1902, SMNH 79540. Paratype. Same data as holotype. SMNH 79541, (♂ 1.5 mm, pereiopods I and pleopod I missing). Description. Body width 0.43 length in female, 0.40 in male, widest at pereionite 3 in both. Head length 0.40 width (♀), length posterior to eyestalks 1.4 anterior length. Frontal margin nearly straight with rounded angular lateral margins adjacent to antennae. Eyestalks length 2.4 width, apex rounded, long axis angling forward at 35–40°. Pereionite 1 female sagittal length 1.4 pereionites midline length, 1.8 in male; pereionite 1–7 lateral margin rounded. Coxal plates 1–7 simple, squarish (except 1 in male bluntly pointed), visible in dorsal view. Pleon length 1.9 width in female, 1.7 in male. Pleonite 1 width subequal to distance between uropods in both sexes, length 0.5 width in female, 0.6 in male. Pleotelson slender, laterally convex, smooth, with small inflection between lateral and proximal margins; posterior margin forming 60° angle, with slight concavity level with uropods in female, 80° angle without concavity in male, apex in both pointed. Antennula with 6 articles, articles 1–2 combined extending beyond eyestalk apex; article 1 about half length of 2, inflated; articles 3, 5 and 6 of subequal length, longer article 4. Antenna article 3 tubular, width 0.33 length, article 5 distinctly longer than article 4; flagellum proximal article distinctly longer than more distal articles. Operculum ovoid, width 0.7 length, without ... Other/Unknown Material Antarc* Antarctic Zenodo Antarctic Hodgson ENVELOPE(166.083,166.083,-78.117,-78.117) Grytviken ENVELOPE(-36.509,-36.509,-54.281,-54.281) |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Isopoda Paramunnidae Cryosignum Cryosignum nordenstami |
spellingShingle |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Isopoda Paramunnidae Cryosignum Cryosignum nordenstami Just, Jean Wilson, George D. F. Cryosignum nordenstami Just & Wilson 2021, sp. nov. |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Isopoda Paramunnidae Cryosignum Cryosignum nordenstami |
description |
Cryosignum nordenstami sp. nov. (Fig. 8) Austrosignum glaciale Hodgson, 1910.— Nordenstam, 1933: 241, fig. 66. ‘ Cryosignum’ undescribed species.— Just & Wilson, 2007: 14. Type fixation. Holotype, ♀, SMNH 79450.—Here designated. Type locality. South Georgia, north of Grytviken. Etymology. The species is named for Dr Åke Nordenstam, who reported these specimens from South Georgia. Material examined. Holotype. ♀ (pereiopods I missing), 1.5 mm. South Georgia, north of Grytviken, 54°22’S, 36°28’W, 12–15 m, sand and algae, Swedish Antarctic Expedition 1901–1903, stn 28, 24 May 1902, SMNH 79540. Paratype. Same data as holotype. SMNH 79541, (♂ 1.5 mm, pereiopods I and pleopod I missing). Description. Body width 0.43 length in female, 0.40 in male, widest at pereionite 3 in both. Head length 0.40 width (♀), length posterior to eyestalks 1.4 anterior length. Frontal margin nearly straight with rounded angular lateral margins adjacent to antennae. Eyestalks length 2.4 width, apex rounded, long axis angling forward at 35–40°. Pereionite 1 female sagittal length 1.4 pereionites midline length, 1.8 in male; pereionite 1–7 lateral margin rounded. Coxal plates 1–7 simple, squarish (except 1 in male bluntly pointed), visible in dorsal view. Pleon length 1.9 width in female, 1.7 in male. Pleonite 1 width subequal to distance between uropods in both sexes, length 0.5 width in female, 0.6 in male. Pleotelson slender, laterally convex, smooth, with small inflection between lateral and proximal margins; posterior margin forming 60° angle, with slight concavity level with uropods in female, 80° angle without concavity in male, apex in both pointed. Antennula with 6 articles, articles 1–2 combined extending beyond eyestalk apex; article 1 about half length of 2, inflated; articles 3, 5 and 6 of subequal length, longer article 4. Antenna article 3 tubular, width 0.33 length, article 5 distinctly longer than article 4; flagellum proximal article distinctly longer than more distal articles. Operculum ovoid, width 0.7 length, without ... |
format |
Other/Unknown Material |
author |
Just, Jean Wilson, George D. F. |
author_facet |
Just, Jean Wilson, George D. F. |
author_sort |
Just, Jean |
title |
Cryosignum nordenstami Just & Wilson 2021, sp. nov. |
title_short |
Cryosignum nordenstami Just & Wilson 2021, sp. nov. |
title_full |
Cryosignum nordenstami Just & Wilson 2021, sp. nov. |
title_fullStr |
Cryosignum nordenstami Just & Wilson 2021, sp. nov. |
title_full_unstemmed |
Cryosignum nordenstami Just & Wilson 2021, sp. nov. |
title_sort |
cryosignum nordenstami just & wilson 2021, sp. nov. |
publishDate |
2021 |
url |
https://zenodo.org/record/4697826 https://doi.org/10.5281/zenodo.4697826 |
op_coverage |
name=Grytviken; east=-36.466667; north=-54.366665 |
long_lat |
ENVELOPE(166.083,166.083,-78.117,-78.117) ENVELOPE(-36.509,-36.509,-54.281,-54.281) |
geographic |
Antarctic Hodgson Grytviken |
geographic_facet |
Antarctic Hodgson Grytviken |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Redescriptions and new species in the ' Austrosignum-Munnogonium' complex sensu Just & Wilson (2007), mainly from the Southern Hemisphere (Crustacea Isopoda: Paramunnidae), pp. 401-447 in Zootaxa 4952(3) 415-416 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C487E378276427FF09EEA7EFF5FA97 doi:10.11646/zootaxa.4952.3.1 http://zenodo.org/record/4690423 http://publication.plazi.org/id/FFFDFF9B78296428FF9EEE30EB46FFEE doi:10.5281/zenodo.4690439 http://zoobank.org/837C9916-5232-4D49-9D0D-050B539CD965 doi:10.5281/zenodo.4697825 https://zenodo.org/communities/biosyslit https://zenodo.org/record/4697826 https://doi.org/10.5281/zenodo.4697826 oai:zenodo.org:4697826 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.469782610.11646/zootaxa.4952.3.110.5281/zenodo.469043910.5281/zenodo.4697825 |
_version_ |
1767951664426254336 |