Corella brewinae Monniot, 2013, n. sp.
Corella brewinae n. sp. Figs 4 B, 7, 8, 9. Material examined - Amsterdam Island SE, 11 /01/ 1972, 80m, coll. Beurois. Syntypes (MNHN P 4 COR.A 12) - New Zealand, Otago harbour, wharf, 2012, coll. A. Wood. - Stewart Island, 1875, coll. Filhol. - 54 ° 31 ’S – 159 °00 E, 110m, 18 /06/ 1968, Eltanin sur...
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ftzenodo:oai:zenodo.org:6149685 2023-05-15T13:22:36+02:00 Corella brewinae Monniot, 2013, n. sp. Monniot, Françoise 2013-12-31 https://zenodo.org/record/6149685 https://doi.org/10.5281/zenodo.6149685 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/D258A424513EFFA5FF312D002931B149 doi:10.11646/zootaxa.3702.2.3 http://zenodo.org/record/247031 http://publication.plazi.org/id/2E61DC5C5139FFAFFFA62C222D60B054 doi:10.5281/zenodo.247035 doi:10.5281/zenodo.247038 doi:10.5281/zenodo.247039 doi:10.5281/zenodo.247040 http://zoobank.org/E972F88B-7981-4F38-803D-8F4F92FE6A37 doi:10.5281/zenodo.6149684 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6149685 https://doi.org/10.5281/zenodo.6149685 oai:zenodo.org:6149685 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode The genus Corella (Ascidiacea, Phlebobranchia, Corellidae) in the Southern Hemisphere with description of a new species, pp. 135-149 in Zootaxa 3702(2) 142-145 Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Corellidae Corella Corella brewinae info:eu-repo/semantics/other publication-taxonomictreatment 2013 ftzenodo https://doi.org/10.5281/zenodo.614968510.11646/zootaxa.3702.2.310.5281/zenodo.24703510.5281/zenodo.24703810.5281/zenodo.24703910.5281/zenodo.24704010.5281/zenodo.6149684 2023-03-10T18:11:56Z Corella brewinae n. sp. Figs 4 B, 7, 8, 9. Material examined - Amsterdam Island SE, 11 /01/ 1972, 80m, coll. Beurois. Syntypes (MNHN P 4 COR.A 12) - New Zealand, Otago harbour, wharf, 2012, coll. A. Wood. - Stewart Island, 1875, coll. Filhol. - 54 ° 31 ’S – 159 °00 E, 110m, 18 /06/ 1968, Eltanin survey USA. The body shape varies but is more or less oval. The specimens up to 5cm in length are often found in aggregates of different sizes, and these clusters (Fig 4 B) are very similar to those of C. eumyota living in the same habitat. In life, the tunic is not completely smooth but wears irregular small papillae. The colour is pale yellow. Both siphons have 6 lobes. The oral aperture is apical and the atrial siphon opens at mid distance of the dorsal line. The body wall is thin and the musculature is visible through it (Fig. 7 A). Apart from the siphon sphincters, the muscles are essentially located over the left side with interlaced fibres grouped in ribbons (Fig 7 A). On the anterior part of the right side some longitudinal fibres are present but do not reach the level of the digestive tract. The oral tentacles are thin and long, we counted about 60 to 75 distributed in 3 orders of length in specimens 2.5cm long. The prepharyngeal band has two blades indented in a V dorsally and prolonged on the dorsal line in a groove (Fig. 8 D) as in C. eumyota and C. antarctica. The dorsal tubercle forms a C opened anteriorly with horns rolled inside (Fig 8 D). About 52 dorsal languets of equal size were counted in several specimens. The branchial tissue is flat, linked to the body wall by wide tubular structures ramified irregularly, less dense than those present in C. antarctica. The longitudinal vessels, 37 to 40 on each side, are held on wide papillae (Fig. 8 A, 9 B). The spiral stigmata are not regularly aligned as many secondary spirals are intercalated. Each spiral is interrupted several times. The number of turns is difficult to evaluate it varies from 3 to 4, rarely 5.This number is larger than in the branchial sac of ... Other/Unknown Material Amsterdam Island Antarc* Antarctica Zenodo New Zealand |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Corellidae Corella Corella brewinae |
spellingShingle |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Corellidae Corella Corella brewinae Monniot, Françoise Corella brewinae Monniot, 2013, n. sp. |
topic_facet |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Corellidae Corella Corella brewinae |
description |
Corella brewinae n. sp. Figs 4 B, 7, 8, 9. Material examined - Amsterdam Island SE, 11 /01/ 1972, 80m, coll. Beurois. Syntypes (MNHN P 4 COR.A 12) - New Zealand, Otago harbour, wharf, 2012, coll. A. Wood. - Stewart Island, 1875, coll. Filhol. - 54 ° 31 ’S – 159 °00 E, 110m, 18 /06/ 1968, Eltanin survey USA. The body shape varies but is more or less oval. The specimens up to 5cm in length are often found in aggregates of different sizes, and these clusters (Fig 4 B) are very similar to those of C. eumyota living in the same habitat. In life, the tunic is not completely smooth but wears irregular small papillae. The colour is pale yellow. Both siphons have 6 lobes. The oral aperture is apical and the atrial siphon opens at mid distance of the dorsal line. The body wall is thin and the musculature is visible through it (Fig. 7 A). Apart from the siphon sphincters, the muscles are essentially located over the left side with interlaced fibres grouped in ribbons (Fig 7 A). On the anterior part of the right side some longitudinal fibres are present but do not reach the level of the digestive tract. The oral tentacles are thin and long, we counted about 60 to 75 distributed in 3 orders of length in specimens 2.5cm long. The prepharyngeal band has two blades indented in a V dorsally and prolonged on the dorsal line in a groove (Fig. 8 D) as in C. eumyota and C. antarctica. The dorsal tubercle forms a C opened anteriorly with horns rolled inside (Fig 8 D). About 52 dorsal languets of equal size were counted in several specimens. The branchial tissue is flat, linked to the body wall by wide tubular structures ramified irregularly, less dense than those present in C. antarctica. The longitudinal vessels, 37 to 40 on each side, are held on wide papillae (Fig. 8 A, 9 B). The spiral stigmata are not regularly aligned as many secondary spirals are intercalated. Each spiral is interrupted several times. The number of turns is difficult to evaluate it varies from 3 to 4, rarely 5.This number is larger than in the branchial sac of ... |
format |
Other/Unknown Material |
author |
Monniot, Françoise |
author_facet |
Monniot, Françoise |
author_sort |
Monniot, Françoise |
title |
Corella brewinae Monniot, 2013, n. sp. |
title_short |
Corella brewinae Monniot, 2013, n. sp. |
title_full |
Corella brewinae Monniot, 2013, n. sp. |
title_fullStr |
Corella brewinae Monniot, 2013, n. sp. |
title_full_unstemmed |
Corella brewinae Monniot, 2013, n. sp. |
title_sort |
corella brewinae monniot, 2013, n. sp. |
publishDate |
2013 |
url |
https://zenodo.org/record/6149685 https://doi.org/10.5281/zenodo.6149685 |
geographic |
New Zealand |
geographic_facet |
New Zealand |
genre |
Amsterdam Island Antarc* Antarctica |
genre_facet |
Amsterdam Island Antarc* Antarctica |
op_source |
The genus Corella (Ascidiacea, Phlebobranchia, Corellidae) in the Southern Hemisphere with description of a new species, pp. 135-149 in Zootaxa 3702(2) 142-145 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/D258A424513EFFA5FF312D002931B149 doi:10.11646/zootaxa.3702.2.3 http://zenodo.org/record/247031 http://publication.plazi.org/id/2E61DC5C5139FFAFFFA62C222D60B054 doi:10.5281/zenodo.247035 doi:10.5281/zenodo.247038 doi:10.5281/zenodo.247039 doi:10.5281/zenodo.247040 http://zoobank.org/E972F88B-7981-4F38-803D-8F4F92FE6A37 doi:10.5281/zenodo.6149684 https://zenodo.org/communities/biosyslit https://zenodo.org/record/6149685 https://doi.org/10.5281/zenodo.6149685 oai:zenodo.org:6149685 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.614968510.11646/zootaxa.3702.2.310.5281/zenodo.24703510.5281/zenodo.24703810.5281/zenodo.24703910.5281/zenodo.24704010.5281/zenodo.6149684 |
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1766365666758098944 |