Aplidium fuegiense Cunningham 1871
Aplidium fuegiense (Cunningham, 1871) Fig. 4 A–C References and synonymy: Amaroucium fuegiense Van Name (1945) p. 43; Aplidium fuegiense Monniot (1970) p. 325; Monniot & Monniot (1983) p. 16. Localities: 2S, 7S, 8S. Colonies of this species are cushion-like, measuring up to 10 cm in diameter and...
Main Authors: | , , , , |
---|---|
Format: | Other/Unknown Material |
Language: | unknown |
Published: |
Zenodo
2016
|
Subjects: | |
Online Access: | https://doi.org/10.5281/zenodo.5630309 http://treatment.plazi.org/id/03C88E54FF9EFFBAFF77B08AFEE93363 |
id |
ftzenodo:oai:zenodo.org:5630309 |
---|---|
record_format |
openpolar |
spelling |
ftzenodo:oai:zenodo.org:5630309 2024-09-15T17:41:55+00:00 Aplidium fuegiense Cunningham 1871 Turon, Xavier Cañete, Juan I. Sellanes, Javier Rocha, Rosana M. López-Legentil, Susanna 2016-12-31 https://doi.org/10.5281/zenodo.5630309 http://treatment.plazi.org/id/03C88E54FF9EFFBAFF77B08AFEE93363 unknown Zenodo https://doi.org/10.11646/zootaxa.4093.2.1 http://zenodo.org/record/267667 http://publication.plazi.org/id/FFF1F62CFF99FFB3FFE0B677FFED3076 https://sibils.text-analytics.ch/search/collections/plazi/03C88E54FF9EFFBAFF77B08AFEE93363 https://doi.org/10.5281/zenodo.267671 http://zoobank.org/ECC66298-6885-47B3-B797-8D30AA05927F https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5630308 https://doi.org/10.5281/zenodo.5630309 oai:zenodo.org:5630309 http://treatment.plazi.org/id/03C88E54FF9EFFBAFF77B08AFEE93363 info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Ascidian fauna (Tunicata, Ascidiacea) of subantarctic and temperate regions of Chile, pp. 151-180 in Zootaxa, 4093(2), 158-160, (2016-12-31) Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Polyclinidae Aplidium Aplidium fuegiense info:eu-repo/semantics/other 2016 ftzenodo https://doi.org/10.5281/zenodo.563030910.11646/zootaxa.4093.2.110.5281/zenodo.26767110.5281/zenodo.5630308 2024-07-25T08:16:02Z Aplidium fuegiense (Cunningham, 1871) Fig. 4 A–C References and synonymy: Amaroucium fuegiense Van Name (1945) p. 43; Aplidium fuegiense Monniot (1970) p. 325; Monniot & Monniot (1983) p. 16. Localities: 2S, 7S, 8S. Colonies of this species are cushion-like, measuring up to 10 cm in diameter and 4 cm in height. The colour in our specimens is brownish. The zooids form wide, meandering fields separated by narrow tunic stretches without zooids. The tunic is soft but consistent, particularly the outermost layer. The relaxed zooids measure over 20 mm in length (the thorax reaches ca. 5 mm, and the abdomen ca. 4 mm). The oral siphon is six-lobed, and the atrial aperture is relatively wide, reaching from the second to the fifth row of stigmata. It is surmounted by a short languet that can be simple or, more often, have two, three, or more points. There are between 12 and 15 rows of stigmata (mostly 13–14), with over 20 stigmata per half-row, and 15–16 fine longitudinal muscles run longitudinally through each side of the thorax. The abdomen presents a folded stomach, usually with five folds plus the typhlosole. There is a posterior stomach and an elongated mid-intestine in vertical position in well relaxed zooids. The posterior intestine ends in a bi-lobed anus just at the posterior rim of the atrial aperture. Most zooids have well-developed gonads consisting of several reddish oocytes and white male testes occupying most of the post-abdomen. The space between the posterior intestinal loop and the ovary is filled by a folded and twisted spermduct. In a few zooids, undifferentiated embryos (up to four), of reddish colour, were seen in the posterior part of the peribranchial cavity. Remarks. this species is widely distributed in Antarctic and subantarctic waters. Most descriptions of the species report wide morphological variation, perhaps encompassing a group of ill-defined species. We did not observe the small orange-reddish bodies in the surface layer of test reported in other descriptions (Millar 1960, 1970, ... Other/Unknown Material Antarc* Antarctic Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Polyclinidae Aplidium Aplidium fuegiense |
spellingShingle |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Polyclinidae Aplidium Aplidium fuegiense Turon, Xavier Cañete, Juan I. Sellanes, Javier Rocha, Rosana M. López-Legentil, Susanna Aplidium fuegiense Cunningham 1871 |
topic_facet |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Polyclinidae Aplidium Aplidium fuegiense |
description |
Aplidium fuegiense (Cunningham, 1871) Fig. 4 A–C References and synonymy: Amaroucium fuegiense Van Name (1945) p. 43; Aplidium fuegiense Monniot (1970) p. 325; Monniot & Monniot (1983) p. 16. Localities: 2S, 7S, 8S. Colonies of this species are cushion-like, measuring up to 10 cm in diameter and 4 cm in height. The colour in our specimens is brownish. The zooids form wide, meandering fields separated by narrow tunic stretches without zooids. The tunic is soft but consistent, particularly the outermost layer. The relaxed zooids measure over 20 mm in length (the thorax reaches ca. 5 mm, and the abdomen ca. 4 mm). The oral siphon is six-lobed, and the atrial aperture is relatively wide, reaching from the second to the fifth row of stigmata. It is surmounted by a short languet that can be simple or, more often, have two, three, or more points. There are between 12 and 15 rows of stigmata (mostly 13–14), with over 20 stigmata per half-row, and 15–16 fine longitudinal muscles run longitudinally through each side of the thorax. The abdomen presents a folded stomach, usually with five folds plus the typhlosole. There is a posterior stomach and an elongated mid-intestine in vertical position in well relaxed zooids. The posterior intestine ends in a bi-lobed anus just at the posterior rim of the atrial aperture. Most zooids have well-developed gonads consisting of several reddish oocytes and white male testes occupying most of the post-abdomen. The space between the posterior intestinal loop and the ovary is filled by a folded and twisted spermduct. In a few zooids, undifferentiated embryos (up to four), of reddish colour, were seen in the posterior part of the peribranchial cavity. Remarks. this species is widely distributed in Antarctic and subantarctic waters. Most descriptions of the species report wide morphological variation, perhaps encompassing a group of ill-defined species. We did not observe the small orange-reddish bodies in the surface layer of test reported in other descriptions (Millar 1960, 1970, ... |
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 |
Aplidium fuegiense Cunningham 1871 |
title_short |
Aplidium fuegiense Cunningham 1871 |
title_full |
Aplidium fuegiense Cunningham 1871 |
title_fullStr |
Aplidium fuegiense Cunningham 1871 |
title_full_unstemmed |
Aplidium fuegiense Cunningham 1871 |
title_sort |
aplidium fuegiense cunningham 1871 |
publisher |
Zenodo |
publishDate |
2016 |
url |
https://doi.org/10.5281/zenodo.5630309 http://treatment.plazi.org/id/03C88E54FF9EFFBAFF77B08AFEE93363 |
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), 158-160, (2016-12-31) |
op_relation |
https://doi.org/10.11646/zootaxa.4093.2.1 http://zenodo.org/record/267667 http://publication.plazi.org/id/FFF1F62CFF99FFB3FFE0B677FFED3076 https://sibils.text-analytics.ch/search/collections/plazi/03C88E54FF9EFFBAFF77B08AFEE93363 https://doi.org/10.5281/zenodo.267671 http://zoobank.org/ECC66298-6885-47B3-B797-8D30AA05927F https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5630308 https://doi.org/10.5281/zenodo.5630309 oai:zenodo.org:5630309 http://treatment.plazi.org/id/03C88E54FF9EFFBAFF77B08AFEE93363 |
op_rights |
info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.563030910.11646/zootaxa.4093.2.110.5281/zenodo.26767110.5281/zenodo.5630308 |
_version_ |
1810488209645240320 |