Austronanus gelidus Just & Wilson, 2006, sp. nov.
Austronanus gelidus sp. nov. (Fig. 10) Etymology. The species name is Latin for icy, referring to the Antarctic habitat of this species. Material examined Holotype. Ψ, 1.31 mm, Antarctica, Davis Station, 68 ° 38 'S 77 ° 48 'E, M. Tucker, 6 January 1982, NMV J 4773. Description. Body width...
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ftzenodo:oai:zenodo.org:6254991 2023-05-15T13:32:18+02:00 Austronanus gelidus Just & Wilson, 2006, sp. nov. Just, Jean Wilson, George D. F. 2006-12-31 https://zenodo.org/record/6254991 https://doi.org/10.5281/zenodo.6254991 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/463E7938475DFFA12E4DFB3AFC51FB83 doi:10.5281/zenodo.171530 http://publication.plazi.org/id/BA0701404749FFB72F45FFE6FFA2FFAD doi:10.5281/zenodo.171540 http://zoobank.org/A8A5E3E1-BC3B-455D-924E-5FB53C61E2A1 doi:10.5281/zenodo.6254990 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6254991 https://doi.org/10.5281/zenodo.6254991 oai:zenodo.org:6254991 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode Revision of Southern Hemisphere Austronanus Hodgson, 1910, with two new genera and five new species of Paramunnidae (Crustacea: Isopoda: Asellota), pp. 21-58 in Zootaxa 1111 41-43 Biodiversity Taxonomy Animalia Arthropoda Malacostraca Isopoda Paramunnidae Austronanus Austronanus gelidus info:eu-repo/semantics/other publication-taxonomictreatment 2006 ftzenodo https://doi.org/10.5281/zenodo.625499110.5281/zenodo.17153010.5281/zenodo.17154010.5281/zenodo.6254990 2023-03-10T18:03:27Z Austronanus gelidus sp. nov. (Fig. 10) Etymology. The species name is Latin for icy, referring to the Antarctic habitat of this species. Material examined Holotype. Ψ, 1.31 mm, Antarctica, Davis Station, 68 ° 38 'S 77 ° 48 'E, M. Tucker, 6 January 1982, NMV J 4773. Description. Body width 0.46 length in female, widest at pereonite 2 or 3. Head length 0.73 width; length posterior to eyestalks 1.0 anterior length. Frontal margin lobe length 0.37 head length; apex bluntly angular in dorsal view, margin adjacent to apex convex, not sinuous. Eyestalks lateral apex somewhat flattened, long axis angling forward at approximately 45 °. Pereonite lateral margin 1–4 linear, 5–7 rounded. Pereonite 5 in dorsal view distinctly narrower than pereonites 4 and 6. Pereonite lateral margin 7 finely denticulate. Pleon length 1.0 width in female; pleotelson proximal margin length shorter than lateral margin length. Pleonite 1 width 1.0 distance between uropods, length 0.2 width. Pleotelson laterally angular anteriorly, lateral margins straight sided; proximal margin forming 60 ° angle with medial axis of pleon; lateral margins denticulate, with 12 denticles (right side only, left side damaged in holotype), increasing in size posteriorly; posterior margin forming 100 ° angle. Antennula articles 1 and 2 combined extending beyond eyestalk apex; article 1 length and width subequal to 2, tubular; 5 and 6 of subequal length, longer than articles 3 and 4. Antenna article 2 lateral margin with two spines (proximal spine smaller); article 3 in ventral view tubular, width 0.41 length, broadening slightly on crenate lateral margin, crenate flange low and thin, lacking subdivisions; article 5 distinctly longer than article 4; flagellum with 7 articles, proximal article 1.4 length of second articles. Pereopod I basis with crenate ridge on anterior margin, length 3.0 width; ischium anterodistal margin with crenate ridge; merus with 2 spines on anterior margin, 1 spine on posterior margin; carpus distal width 0.9 posterior margin length, with 2 ... Other/Unknown Material Antarc* Antarctic Antarctica Zenodo Antarctic Davis Station ENVELOPE(77.968,77.968,-68.576,-68.576) Davis-Station ENVELOPE(77.968,77.968,-68.576,-68.576) The Antarctic |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Isopoda Paramunnidae Austronanus Austronanus gelidus |
spellingShingle |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Isopoda Paramunnidae Austronanus Austronanus gelidus Just, Jean Wilson, George D. F. Austronanus gelidus Just & Wilson, 2006, sp. nov. |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Isopoda Paramunnidae Austronanus Austronanus gelidus |
description |
Austronanus gelidus sp. nov. (Fig. 10) Etymology. The species name is Latin for icy, referring to the Antarctic habitat of this species. Material examined Holotype. Ψ, 1.31 mm, Antarctica, Davis Station, 68 ° 38 'S 77 ° 48 'E, M. Tucker, 6 January 1982, NMV J 4773. Description. Body width 0.46 length in female, widest at pereonite 2 or 3. Head length 0.73 width; length posterior to eyestalks 1.0 anterior length. Frontal margin lobe length 0.37 head length; apex bluntly angular in dorsal view, margin adjacent to apex convex, not sinuous. Eyestalks lateral apex somewhat flattened, long axis angling forward at approximately 45 °. Pereonite lateral margin 1–4 linear, 5–7 rounded. Pereonite 5 in dorsal view distinctly narrower than pereonites 4 and 6. Pereonite lateral margin 7 finely denticulate. Pleon length 1.0 width in female; pleotelson proximal margin length shorter than lateral margin length. Pleonite 1 width 1.0 distance between uropods, length 0.2 width. Pleotelson laterally angular anteriorly, lateral margins straight sided; proximal margin forming 60 ° angle with medial axis of pleon; lateral margins denticulate, with 12 denticles (right side only, left side damaged in holotype), increasing in size posteriorly; posterior margin forming 100 ° angle. Antennula articles 1 and 2 combined extending beyond eyestalk apex; article 1 length and width subequal to 2, tubular; 5 and 6 of subequal length, longer than articles 3 and 4. Antenna article 2 lateral margin with two spines (proximal spine smaller); article 3 in ventral view tubular, width 0.41 length, broadening slightly on crenate lateral margin, crenate flange low and thin, lacking subdivisions; article 5 distinctly longer than article 4; flagellum with 7 articles, proximal article 1.4 length of second articles. Pereopod I basis with crenate ridge on anterior margin, length 3.0 width; ischium anterodistal margin with crenate ridge; merus with 2 spines on anterior margin, 1 spine on posterior margin; carpus distal width 0.9 posterior margin length, with 2 ... |
format |
Other/Unknown Material |
author |
Just, Jean Wilson, George D. F. |
author_facet |
Just, Jean Wilson, George D. F. |
author_sort |
Just, Jean |
title |
Austronanus gelidus Just & Wilson, 2006, sp. nov. |
title_short |
Austronanus gelidus Just & Wilson, 2006, sp. nov. |
title_full |
Austronanus gelidus Just & Wilson, 2006, sp. nov. |
title_fullStr |
Austronanus gelidus Just & Wilson, 2006, sp. nov. |
title_full_unstemmed |
Austronanus gelidus Just & Wilson, 2006, sp. nov. |
title_sort |
austronanus gelidus just & wilson, 2006, sp. nov. |
publishDate |
2006 |
url |
https://zenodo.org/record/6254991 https://doi.org/10.5281/zenodo.6254991 |
long_lat |
ENVELOPE(77.968,77.968,-68.576,-68.576) ENVELOPE(77.968,77.968,-68.576,-68.576) |
geographic |
Antarctic Davis Station Davis-Station The Antarctic |
geographic_facet |
Antarctic Davis Station Davis-Station The Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Revision of Southern Hemisphere Austronanus Hodgson, 1910, with two new genera and five new species of Paramunnidae (Crustacea: Isopoda: Asellota), pp. 21-58 in Zootaxa 1111 41-43 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/463E7938475DFFA12E4DFB3AFC51FB83 doi:10.5281/zenodo.171530 http://publication.plazi.org/id/BA0701404749FFB72F45FFE6FFA2FFAD doi:10.5281/zenodo.171540 http://zoobank.org/A8A5E3E1-BC3B-455D-924E-5FB53C61E2A1 doi:10.5281/zenodo.6254990 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6254991 https://doi.org/10.5281/zenodo.6254991 oai:zenodo.org:6254991 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.625499110.5281/zenodo.17153010.5281/zenodo.17154010.5281/zenodo.6254990 |
_version_ |
1766025723648147456 |