Sophrosyne cantractia Lowry & Stoddart 2010, sp. nov.
Sophrosyne cantractia sp. nov. (Figs 4, 5) Type material . HOLOTYPE, female, ovigerous (2 eggs), 5.8 mm, MV J38218, western part of MacRobertson Shelf, Antarctica (66°55.51'S 62°32.72'E to 66°55.33'S 62°32.16'E), 113 m, epibenthic sled, M. O'Loughlin on RSV Aurora Australis...
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Zenodo
2010
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Online Access: | https://dx.doi.org/10.5281/zenodo.5314951 https://zenodo.org/record/5314951 |
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ftdatacite:10.5281/zenodo.5314951 |
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openpolar |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
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unknown |
topic |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Amphipoda Sophrosynidae Sophrosyne Sophrosyne cantractia |
spellingShingle |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Amphipoda Sophrosynidae Sophrosyne Sophrosyne cantractia Lowry, J. K. Stoddart, H. E. Sophrosyne cantractia Lowry & Stoddart 2010, sp. nov. |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Malacostraca Amphipoda Sophrosynidae Sophrosyne Sophrosyne cantractia |
description |
Sophrosyne cantractia sp. nov. (Figs 4, 5) Type material . HOLOTYPE, female, ovigerous (2 eggs), 5.8 mm, MV J38218, western part of MacRobertson Shelf, Antarctica (66°55.51'S 62°32.72'E to 66°55.33'S 62°32.16'E), 113 m, epibenthic sled, M. O'Loughlin on RSV Aurora Australis , 11 February 1993 (stn AA93-124). PARATYPES: 1 specimen, 4.2 mm, MV J38219, western part of MacRobertson Shelf, Antarctica (66°53.69'S 63°06.34'E to 66°53.67'S 63°05.51'E), 367–439 m, epibenthic sled, M. O'Loughlin on RSV Aurora Australis , 11 February 1993 (stn AA93-125); 2 juveniles, MV J60736 and MV J60737, off Enderby Land, Antarctica, Southern Ocean (65°56.40'S 50°52.10'E), 386–400 m, shelly mud, silt and bryozoan shell, epibenthic sled, M. Norman on MS Nella Dan , 15 November 1985 (stn HRD 010). Type locality. Western part of MacRobertson Shelf, Antarctica (66°55.51'S 62°32.72'E to 66°55.33'S 62°32.16'E), 113 m. Etymology . The specific name is contrived as an anagram of the specific name of the neighbouring species, Sophrosyne antarctica . Diagnostic description . Head lateral cephalic lobe small, narrowly rounded; eyes apparently absent. Antenna 1 peduncular article 1 short, length 1.3 x breadth; accessory flagellum medium length, 0.5 x primary flagellum, article 1 short, 1.3 x article 2; flagellum 7-articulate, without callynophore. Antenna 2 peduncular article 3 0.6 x article 4; flagellum 7-articulate. Mandible incisors with straight margins; palp article 2 slender , 1 x article 3, with 2 submarginal posterodistal A2-setae, D2-setae present , article 3 length 7 x breadth, without D3-setae , with 3 apical E3-setae. Maxilla 1 outer plate with setal-teeth in a 2/3 arrangement . Maxilla 2 inner plate narrow, outer plate broader; inner plate length 0.66 x outer plate. Maxilliped inner plate subrectangular, with 1 apical, nodular robust setae; outer plate submarginal setae long, simple; palp article 2 broad , length 1.8 x breadth, 1.1 x article 3, article 3 slender, length 2.6 x breadth, dactylus with unguis vestigial. Gnathopod 1 basis length 1.8 x breadth, anterior margin with slender setae ischium length 1.1 x breadth; merus, posterior margin lined with long slender setae carpus length 0.5 x propodus; propodus length 1.8 x breadth, posterior margin slightly concave, with robust setae and simple, slender setae, palm margin straight, posterodistal corner with produced subacute spine bearing vestigial seta. Gnathopod 2 minutely subchelate; ischium length 3 x breadth; carpus long, length 3.8 x breadth, posterior margin straight; propodus subrectangular, long, length 2.3 x breadth; palm transverse, with convex , serrate margin. Pereopod 3 merus not expanded anteriorly. Pereopod 4 merus weakly expanded anteriorly. Pereopod 5 basis moderately expanded posteriorly; merus moderately expanded posteriorly. Pereopod 6 coxa small, slightly lobate posteriorly; merus expanded posteriorly. Pereopod 7 basis posterior margin slightly rounded, minutely crenate, posteroventral margin straight, posteroventral lobe not extending beyond ischium; merus slightly expanded posteriorly; propodus with setae along anterior margin. Epimeron 3 posterior margin with strong upturned spine above rounded posteroventral corner . Urosomite 1 with anterodorsal notch and rounded boss, without lateral flange. Uropod 1 rami subequal in length; outer ramus with 2 dorsal robust setae; inner ramus with 1 dorsal robust seta. Uropod 2 rami subequal in length; outer ramus with robust setae. Uropod 3 peduncle length 1.4 x breadth; rami subequal in length. Telson longer than broad, length 1.3 x breadth, moderately cleft (53%), distal margins rounded, with 1 apical slender seta on each lobe. Remarks. See remarks under S. californica . Distribution . Off MacRobertson Shelf and Enderby Land, east Antarctica, in 113–439 m depth. : Published as part of Lowry, J. K. & Stoddart, H. E., 2010, Sophrosynidae, a new family in the Lysianassoidea (Crustacea: Amphipoda) with a revision of the genus Sophrosyne, pp. 1-35 in Zootaxa 2370 (1) on pages 10-13, DOI: 10.11646/zootaxa.2370.1.1, http://zenodo.org/record/5306939 |
format |
Text |
author |
Lowry, J. K. Stoddart, H. E. |
author_facet |
Lowry, J. K. Stoddart, H. E. |
author_sort |
Lowry, J. K. |
title |
Sophrosyne cantractia Lowry & Stoddart 2010, sp. nov. |
title_short |
Sophrosyne cantractia Lowry & Stoddart 2010, sp. nov. |
title_full |
Sophrosyne cantractia Lowry & Stoddart 2010, sp. nov. |
title_fullStr |
Sophrosyne cantractia Lowry & Stoddart 2010, sp. nov. |
title_full_unstemmed |
Sophrosyne cantractia Lowry & Stoddart 2010, sp. nov. |
title_sort |
sophrosyne cantractia lowry & stoddart 2010, sp. nov. |
publisher |
Zenodo |
publishDate |
2010 |
url |
https://dx.doi.org/10.5281/zenodo.5314951 https://zenodo.org/record/5314951 |
long_lat |
ENVELOPE(9.895,9.895,63.645,63.645) ENVELOPE(-64.150,-64.150,-84.550,-84.550) |
geographic |
Southern Ocean East Antarctica Seta Lowry |
geographic_facet |
Southern Ocean East Antarctica Seta Lowry |
genre |
Antarc* Antarctica aurora australis East Antarctica Enderby Land Southern Ocean |
genre_facet |
Antarc* Antarctica aurora australis East Antarctica Enderby Land Southern Ocean |
op_relation |
http://zenodo.org/record/5306939 http://publication.plazi.org/id/FF911C309636FFD4FFA3FFCEC811A767 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.2370.1.1 http://zenodo.org/record/5306939 http://publication.plazi.org/id/FF911C309636FFD4FFA3FFCEC811A767 https://dx.doi.org/10.5281/zenodo.5314952 https://zenodo.org/communities/biosyslit |
op_rights |
Open Access info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.5314951 https://doi.org/10.11646/zootaxa.2370.1.1 https://doi.org/10.5281/zenodo.5314952 |
_version_ |
1766128158292049920 |
spelling |
ftdatacite:10.5281/zenodo.5314951 2023-05-15T13:40:07+02:00 Sophrosyne cantractia Lowry & Stoddart 2010, sp. nov. Lowry, J. K. Stoddart, H. E. 2010 https://dx.doi.org/10.5281/zenodo.5314951 https://zenodo.org/record/5314951 unknown Zenodo http://zenodo.org/record/5306939 http://publication.plazi.org/id/FF911C309636FFD4FFA3FFCEC811A767 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.2370.1.1 http://zenodo.org/record/5306939 http://publication.plazi.org/id/FF911C309636FFD4FFA3FFCEC811A767 https://dx.doi.org/10.5281/zenodo.5314952 https://zenodo.org/communities/biosyslit Open Access info:eu-repo/semantics/openAccess Biodiversity Taxonomy Animalia Arthropoda Malacostraca Amphipoda Sophrosynidae Sophrosyne Sophrosyne cantractia Text Taxonomic treatment article-journal ScholarlyArticle 2010 ftdatacite https://doi.org/10.5281/zenodo.5314951 https://doi.org/10.11646/zootaxa.2370.1.1 https://doi.org/10.5281/zenodo.5314952 2021-11-05T12:55:41Z Sophrosyne cantractia sp. nov. (Figs 4, 5) Type material . HOLOTYPE, female, ovigerous (2 eggs), 5.8 mm, MV J38218, western part of MacRobertson Shelf, Antarctica (66°55.51'S 62°32.72'E to 66°55.33'S 62°32.16'E), 113 m, epibenthic sled, M. O'Loughlin on RSV Aurora Australis , 11 February 1993 (stn AA93-124). PARATYPES: 1 specimen, 4.2 mm, MV J38219, western part of MacRobertson Shelf, Antarctica (66°53.69'S 63°06.34'E to 66°53.67'S 63°05.51'E), 367–439 m, epibenthic sled, M. O'Loughlin on RSV Aurora Australis , 11 February 1993 (stn AA93-125); 2 juveniles, MV J60736 and MV J60737, off Enderby Land, Antarctica, Southern Ocean (65°56.40'S 50°52.10'E), 386–400 m, shelly mud, silt and bryozoan shell, epibenthic sled, M. Norman on MS Nella Dan , 15 November 1985 (stn HRD 010). Type locality. Western part of MacRobertson Shelf, Antarctica (66°55.51'S 62°32.72'E to 66°55.33'S 62°32.16'E), 113 m. Etymology . The specific name is contrived as an anagram of the specific name of the neighbouring species, Sophrosyne antarctica . Diagnostic description . Head lateral cephalic lobe small, narrowly rounded; eyes apparently absent. Antenna 1 peduncular article 1 short, length 1.3 x breadth; accessory flagellum medium length, 0.5 x primary flagellum, article 1 short, 1.3 x article 2; flagellum 7-articulate, without callynophore. Antenna 2 peduncular article 3 0.6 x article 4; flagellum 7-articulate. Mandible incisors with straight margins; palp article 2 slender , 1 x article 3, with 2 submarginal posterodistal A2-setae, D2-setae present , article 3 length 7 x breadth, without D3-setae , with 3 apical E3-setae. Maxilla 1 outer plate with setal-teeth in a 2/3 arrangement . Maxilla 2 inner plate narrow, outer plate broader; inner plate length 0.66 x outer plate. Maxilliped inner plate subrectangular, with 1 apical, nodular robust setae; outer plate submarginal setae long, simple; palp article 2 broad , length 1.8 x breadth, 1.1 x article 3, article 3 slender, length 2.6 x breadth, dactylus with unguis vestigial. Gnathopod 1 basis length 1.8 x breadth, anterior margin with slender setae ischium length 1.1 x breadth; merus, posterior margin lined with long slender setae carpus length 0.5 x propodus; propodus length 1.8 x breadth, posterior margin slightly concave, with robust setae and simple, slender setae, palm margin straight, posterodistal corner with produced subacute spine bearing vestigial seta. Gnathopod 2 minutely subchelate; ischium length 3 x breadth; carpus long, length 3.8 x breadth, posterior margin straight; propodus subrectangular, long, length 2.3 x breadth; palm transverse, with convex , serrate margin. Pereopod 3 merus not expanded anteriorly. Pereopod 4 merus weakly expanded anteriorly. Pereopod 5 basis moderately expanded posteriorly; merus moderately expanded posteriorly. Pereopod 6 coxa small, slightly lobate posteriorly; merus expanded posteriorly. Pereopod 7 basis posterior margin slightly rounded, minutely crenate, posteroventral margin straight, posteroventral lobe not extending beyond ischium; merus slightly expanded posteriorly; propodus with setae along anterior margin. Epimeron 3 posterior margin with strong upturned spine above rounded posteroventral corner . Urosomite 1 with anterodorsal notch and rounded boss, without lateral flange. Uropod 1 rami subequal in length; outer ramus with 2 dorsal robust setae; inner ramus with 1 dorsal robust seta. Uropod 2 rami subequal in length; outer ramus with robust setae. Uropod 3 peduncle length 1.4 x breadth; rami subequal in length. Telson longer than broad, length 1.3 x breadth, moderately cleft (53%), distal margins rounded, with 1 apical slender seta on each lobe. Remarks. See remarks under S. californica . Distribution . Off MacRobertson Shelf and Enderby Land, east Antarctica, in 113–439 m depth. : Published as part of Lowry, J. K. & Stoddart, H. E., 2010, Sophrosynidae, a new family in the Lysianassoidea (Crustacea: Amphipoda) with a revision of the genus Sophrosyne, pp. 1-35 in Zootaxa 2370 (1) on pages 10-13, DOI: 10.11646/zootaxa.2370.1.1, http://zenodo.org/record/5306939 Text Antarc* Antarctica aurora australis East Antarctica Enderby Land Southern Ocean DataCite Metadata Store (German National Library of Science and Technology) Southern Ocean East Antarctica Seta ENVELOPE(9.895,9.895,63.645,63.645) Lowry ENVELOPE(-64.150,-64.150,-84.550,-84.550) |