Pygodelphys antarctica
Pygodelphys antarctica (Schellenberg, 1922) (Figs. 60, 61) Material examined. 53 ♀♀, 40 ♂♂ (MNHN-IU-2018- 1779) and dissected 1 ♀, 1 ♂from Paramolgula gregaria (Lesson, 1830), Magellan Strait; 4 ♀♀ (MNHN-IU-2018- 1780) and 1 dissected ♀ from P. gregaria, Tierra del Fuego, Argentina. Supplementary de...
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Online Access: | https://zenodo.org/record/5661673 https://doi.org/10.5281/zenodo.5661673 |
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ftzenodo:oai:zenodo.org:5661673 2023-05-15T14:02:39+02:00 Pygodelphys antarctica Kim, Il-Hoi Boxshall, Geoff A. 2020-12-24 https://zenodo.org/record/5661673 https://doi.org/10.5281/zenodo.5661673 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C487CBEF0D3A6AFF4DFA59FEA2FAC6 doi:10.11646/megataxa.4.1.1 http://zenodo.org/record/4591138 http://publication.plazi.org/id/FFFDFFB3EF513A35FFC5FFCEFFC5FFC1 doi:10.5281/zenodo.4591312 doi:10.5281/zenodo.4591314 doi:10.5281/zenodo.4591217 doi:10.5281/zenodo.5661672 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5661673 https://doi.org/10.5281/zenodo.5661673 oai:zenodo.org:5661673 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode Untold diversity: the astonishing species richness of the Notodelphyidae (Copepoda: Cyclopoida), a family of symbiotic copepods associated with ascidians (Tunicata), pp. 1-6 in Megataxa 4(1) 93-96 Biodiversity Taxonomy Animalia Arthropoda Maxillopoda Cyclopoida Notodelphyidae Pygodelphys Pygodelphys antarctica info:eu-repo/semantics/other publication-taxonomictreatment 2020 ftzenodo https://doi.org/10.5281/zenodo.566167310.11646/megataxa.4.1.110.5281/zenodo.459131210.5281/zenodo.459131410.5281/zenodo.459121710.5281/zenodo.5661672 2023-03-10T14:50:35Z Pygodelphys antarctica (Schellenberg, 1922) (Figs. 60, 61) Material examined. 53 ♀♀, 40 ♂♂ (MNHN-IU-2018- 1779) and dissected 1 ♀, 1 ♂from Paramolgula gregaria (Lesson, 1830), Magellan Strait; 4 ♀♀ (MNHN-IU-2018- 1780) and 1 dissected ♀ from P. gregaria, Tierra del Fuego, Argentina. Supplementary description of female. Body (Fig. 60A) Doropygus -like in form, relatively slim. Body length 5.15 mm. First to third pedigerous somites each with well developed dorsal tergite. Brood pouch of fully grown adults shorter than anterior part of prosome; fifth pedigerous somite incorporated into brood pouch. Freeurosome (Fig. 60B) slender, clearly 5-segmented; comprising short genital somite, 160×516 μm and 4 free abdominalsomitesgraduallyshorterand narrowertowards posterior, 501×480, 436×400, 349×356, and 255×313 μm, respectively. First and second abdominal somites ornamented with scattered rows of minute spinules on ventral surface (Fig. 60B). Caudal ramus (Fig. 60C) slender, about 6.2 times as long as wide (590×95 μm) but variable in length (in other dissected specimen 4.6 times as long as wide, 391×85 μm); armed with 6 setae, distal setae stiff, not flexible, longest seta 263 μm long, 0.45 times as long as ramus; outer lateral seta invariably located at 35% of ramus length. Rostrum (Fig. 60D) tapering, shield-shaped, longer than wide, with angular apex. Antennule 10-segmented (Fig. 30); firstandsecondsegments broadened; armature formula 3, 17, 6, 3+aesthetasc, 1, 3, 2+aesthetasc, 2, 2+aesthetasc, and 7+aesthetasc; one of distalsetae on second segment pinnate, all other setae naked. Antenna (Fig. 60F) 3-segmented, consistingof coxa, allobasis, and 1-segmented free endopod; basiswith 2 large setae of subequal length (1 pinnate and 1 naked, wrinkled) subdistally on outer margin representing exopod, and 1 seta (derived from first endopodal segment) on inner margin; free compound endopodal segment about 3.6 times as long as wide, slightly shorter than basis, and armed with 11 setae plus terminal claw, half as long as segment. ... Other/Unknown Material Antarc* Antarctica Tierra del Fuego Zenodo Argentina Seta ENVELOPE(9.895,9.895,63.645,63.645) |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Arthropoda Maxillopoda Cyclopoida Notodelphyidae Pygodelphys Pygodelphys antarctica |
spellingShingle |
Biodiversity Taxonomy Animalia Arthropoda Maxillopoda Cyclopoida Notodelphyidae Pygodelphys Pygodelphys antarctica Kim, Il-Hoi Boxshall, Geoff A. Pygodelphys antarctica |
topic_facet |
Biodiversity Taxonomy Animalia Arthropoda Maxillopoda Cyclopoida Notodelphyidae Pygodelphys Pygodelphys antarctica |
description |
Pygodelphys antarctica (Schellenberg, 1922) (Figs. 60, 61) Material examined. 53 ♀♀, 40 ♂♂ (MNHN-IU-2018- 1779) and dissected 1 ♀, 1 ♂from Paramolgula gregaria (Lesson, 1830), Magellan Strait; 4 ♀♀ (MNHN-IU-2018- 1780) and 1 dissected ♀ from P. gregaria, Tierra del Fuego, Argentina. Supplementary description of female. Body (Fig. 60A) Doropygus -like in form, relatively slim. Body length 5.15 mm. First to third pedigerous somites each with well developed dorsal tergite. Brood pouch of fully grown adults shorter than anterior part of prosome; fifth pedigerous somite incorporated into brood pouch. Freeurosome (Fig. 60B) slender, clearly 5-segmented; comprising short genital somite, 160×516 μm and 4 free abdominalsomitesgraduallyshorterand narrowertowards posterior, 501×480, 436×400, 349×356, and 255×313 μm, respectively. First and second abdominal somites ornamented with scattered rows of minute spinules on ventral surface (Fig. 60B). Caudal ramus (Fig. 60C) slender, about 6.2 times as long as wide (590×95 μm) but variable in length (in other dissected specimen 4.6 times as long as wide, 391×85 μm); armed with 6 setae, distal setae stiff, not flexible, longest seta 263 μm long, 0.45 times as long as ramus; outer lateral seta invariably located at 35% of ramus length. Rostrum (Fig. 60D) tapering, shield-shaped, longer than wide, with angular apex. Antennule 10-segmented (Fig. 30); firstandsecondsegments broadened; armature formula 3, 17, 6, 3+aesthetasc, 1, 3, 2+aesthetasc, 2, 2+aesthetasc, and 7+aesthetasc; one of distalsetae on second segment pinnate, all other setae naked. Antenna (Fig. 60F) 3-segmented, consistingof coxa, allobasis, and 1-segmented free endopod; basiswith 2 large setae of subequal length (1 pinnate and 1 naked, wrinkled) subdistally on outer margin representing exopod, and 1 seta (derived from first endopodal segment) on inner margin; free compound endopodal segment about 3.6 times as long as wide, slightly shorter than basis, and armed with 11 setae plus terminal claw, half as long as segment. ... |
format |
Other/Unknown Material |
author |
Kim, Il-Hoi Boxshall, Geoff A. |
author_facet |
Kim, Il-Hoi Boxshall, Geoff A. |
author_sort |
Kim, Il-Hoi |
title |
Pygodelphys antarctica |
title_short |
Pygodelphys antarctica |
title_full |
Pygodelphys antarctica |
title_fullStr |
Pygodelphys antarctica |
title_full_unstemmed |
Pygodelphys antarctica |
title_sort |
pygodelphys antarctica |
publishDate |
2020 |
url |
https://zenodo.org/record/5661673 https://doi.org/10.5281/zenodo.5661673 |
long_lat |
ENVELOPE(9.895,9.895,63.645,63.645) |
geographic |
Argentina Seta |
geographic_facet |
Argentina Seta |
genre |
Antarc* Antarctica Tierra del Fuego |
genre_facet |
Antarc* Antarctica Tierra del Fuego |
op_source |
Untold diversity: the astonishing species richness of the Notodelphyidae (Copepoda: Cyclopoida), a family of symbiotic copepods associated with ascidians (Tunicata), pp. 1-6 in Megataxa 4(1) 93-96 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C487CBEF0D3A6AFF4DFA59FEA2FAC6 doi:10.11646/megataxa.4.1.1 http://zenodo.org/record/4591138 http://publication.plazi.org/id/FFFDFFB3EF513A35FFC5FFCEFFC5FFC1 doi:10.5281/zenodo.4591312 doi:10.5281/zenodo.4591314 doi:10.5281/zenodo.4591217 doi:10.5281/zenodo.5661672 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5661673 https://doi.org/10.5281/zenodo.5661673 oai:zenodo.org:5661673 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.566167310.11646/megataxa.4.1.110.5281/zenodo.459131210.5281/zenodo.459131410.5281/zenodo.459121710.5281/zenodo.5661672 |
_version_ |
1766273003702714368 |