Didemnum studeri Hartmeyer 1911
Didemnum studeri Hartmeyer, 1911 Fig. 3 A,B,E; Fig. 12 D References and synonymy: Didemnum studeri Millar (1960) p. 56; Kott (1969) p. 75; Monniot (1970) p. 335. Localities: 1 S, 2 S, 3 S, 6 S, 9 S. Whitish colonies forming extensive crusts, up to tens of cm in diameter and 3–4 mm in thickness. The...
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ftzenodo:oai:zenodo.org:5630300 2023-05-15T13:54:12+02:00 Didemnum studeri Hartmeyer 1911 Turon, Xavier Cañete, Juan I. Sellanes, Javier Rocha, Rosana M. López-Legentil, Susanna 2016-12-31 https://zenodo.org/record/5630300 https://doi.org/10.5281/zenodo.5630300 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C88E54FF9AFFB6FF77B13AFD5D37A3 doi:10.11646/zootaxa.4093.2.1 http://zenodo.org/record/267667 http://publication.plazi.org/id/FFF1F62CFF99FFB3FFE0B677FFED3076 doi:10.5281/zenodo.267670 doi:10.5281/zenodo.267679 http://zoobank.org/ECC66298-6885-47B3-B797-8D30AA05927F doi:10.5281/zenodo.5630299 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5630300 https://doi.org/10.5281/zenodo.5630300 oai:zenodo.org:5630300 info:eu-repo/semantics/openAccess Ascidian fauna (Tunicata, Ascidiacea) of subantarctic and temperate regions of Chile, pp. 151-180 in Zootaxa 4093(2) 154-156 Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Didemnidae Didemnum Didemnum studeri info:eu-repo/semantics/other publication-taxonomictreatment 2016 ftzenodo https://doi.org/10.5281/zenodo.563030010.11646/zootaxa.4093.2.110.5281/zenodo.26767010.5281/zenodo.26767910.5281/zenodo.5630299 2023-03-10T13:54:46Z Didemnum studeri Hartmeyer, 1911 Fig. 3 A,B,E; Fig. 12 D References and synonymy: Didemnum studeri Millar (1960) p. 56; Kott (1969) p. 75; Monniot (1970) p. 335. Localities: 1 S, 2 S, 3 S, 6 S, 9 S. Whitish colonies forming extensive crusts, up to tens of cm in diameter and 3–4 mm in thickness. The tunic is filled with spicules 10–30 µm in size, stellate with about 8–9 short rays in optical section. Often, rays are blunt and irregular, giving an almost spherical appearance to the spicule. The general cavity is extensive at the thoracic level, often with accumulated faecal pellets. The zooids are small and highly contracted. The branchial sac has a large aperture and 4 rows of stigmata. The thoracic organs lie at the posterior part of the branchial sac. There is a developed retractor muscle. The abdomina are embedded in the basal test and do not have gonads in the observed specimens. Some colonies incubate larvae, 0.6 mm in trunk length, with three adhesive papillae and four pairs of ectodermal ampullae. Remarks. this species is common in Antarctic and subantarctic waters (Monniot & Monniot 1983). Although we couldn’t observe gonads in our material, the spicules, larvae and general shape of colonies and zooids allows the assignment of our specimens to this species. Published as part of Turon, Xavier, Cañete, Juan I., Sellanes, Javier, Rocha, Rosana M. & López-Legentil, Susanna, 2016, Ascidian fauna (Tunicata, Ascidiacea) of subantarctic and temperate regions of Chile, pp. 151-180 in Zootaxa 4093 (2) on pages 154-156, DOI:10.11646/zootaxa.4093.2.1, http://zenodo.org/record/267667 Other/Unknown Material Antarc* Antarctic Zenodo Antarctic |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Didemnidae Didemnum Didemnum studeri |
spellingShingle |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Didemnidae Didemnum Didemnum studeri Turon, Xavier Cañete, Juan I. Sellanes, Javier Rocha, Rosana M. López-Legentil, Susanna Didemnum studeri Hartmeyer 1911 |
topic_facet |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Didemnidae Didemnum Didemnum studeri |
description |
Didemnum studeri Hartmeyer, 1911 Fig. 3 A,B,E; Fig. 12 D References and synonymy: Didemnum studeri Millar (1960) p. 56; Kott (1969) p. 75; Monniot (1970) p. 335. Localities: 1 S, 2 S, 3 S, 6 S, 9 S. Whitish colonies forming extensive crusts, up to tens of cm in diameter and 3–4 mm in thickness. The tunic is filled with spicules 10–30 µm in size, stellate with about 8–9 short rays in optical section. Often, rays are blunt and irregular, giving an almost spherical appearance to the spicule. The general cavity is extensive at the thoracic level, often with accumulated faecal pellets. The zooids are small and highly contracted. The branchial sac has a large aperture and 4 rows of stigmata. The thoracic organs lie at the posterior part of the branchial sac. There is a developed retractor muscle. The abdomina are embedded in the basal test and do not have gonads in the observed specimens. Some colonies incubate larvae, 0.6 mm in trunk length, with three adhesive papillae and four pairs of ectodermal ampullae. Remarks. this species is common in Antarctic and subantarctic waters (Monniot & Monniot 1983). Although we couldn’t observe gonads in our material, the spicules, larvae and general shape of colonies and zooids allows the assignment of our specimens to this species. Published as part of Turon, Xavier, Cañete, Juan I., Sellanes, Javier, Rocha, Rosana M. & López-Legentil, Susanna, 2016, Ascidian fauna (Tunicata, Ascidiacea) of subantarctic and temperate regions of Chile, pp. 151-180 in Zootaxa 4093 (2) on pages 154-156, DOI:10.11646/zootaxa.4093.2.1, http://zenodo.org/record/267667 |
format |
Other/Unknown Material |
author |
Turon, Xavier Cañete, Juan I. Sellanes, Javier Rocha, Rosana M. López-Legentil, Susanna |
author_facet |
Turon, Xavier Cañete, Juan I. Sellanes, Javier Rocha, Rosana M. López-Legentil, Susanna |
author_sort |
Turon, Xavier |
title |
Didemnum studeri Hartmeyer 1911 |
title_short |
Didemnum studeri Hartmeyer 1911 |
title_full |
Didemnum studeri Hartmeyer 1911 |
title_fullStr |
Didemnum studeri Hartmeyer 1911 |
title_full_unstemmed |
Didemnum studeri Hartmeyer 1911 |
title_sort |
didemnum studeri hartmeyer 1911 |
publishDate |
2016 |
url |
https://zenodo.org/record/5630300 https://doi.org/10.5281/zenodo.5630300 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Ascidian fauna (Tunicata, Ascidiacea) of subantarctic and temperate regions of Chile, pp. 151-180 in Zootaxa 4093(2) 154-156 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C88E54FF9AFFB6FF77B13AFD5D37A3 doi:10.11646/zootaxa.4093.2.1 http://zenodo.org/record/267667 http://publication.plazi.org/id/FFF1F62CFF99FFB3FFE0B677FFED3076 doi:10.5281/zenodo.267670 doi:10.5281/zenodo.267679 http://zoobank.org/ECC66298-6885-47B3-B797-8D30AA05927F doi:10.5281/zenodo.5630299 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5630300 https://doi.org/10.5281/zenodo.5630300 oai:zenodo.org:5630300 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.563030010.11646/zootaxa.4093.2.110.5281/zenodo.26767010.5281/zenodo.26767910.5281/zenodo.5630299 |
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1766259882066968576 |