Aplidium meridianum Sluiter 1906
Aplidium meridianum (Sluiter, 1906) References : Amaroucium meridianum Sluiter, 1906: 15, fig. 12, pl. 1. Aplidium meridianum Monniot F. 1978: 4, fig. 1A (type revision); Monniot et al . 2011: 12, fig. 6 (synonymy). Material examined : 22 colonies; net; -38.0164 lat. -54.5054 long. (station 9); 1006...
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Zenodo
2018
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Online Access: | https://dx.doi.org/10.5281/zenodo.5995292 https://zenodo.org/record/5995292 |
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ftdatacite:10.5281/zenodo.5995292 |
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DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
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unknown |
topic |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Polyclinidae Aplidium Aplidium meridianum |
spellingShingle |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Polyclinidae Aplidium Aplidium meridianum Maggioni, Tamara Taverna, Anabela Reyna, Paola B. Alurralde, Gastón Rimondino, Clara Tatián, Marcos Aplidium meridianum Sluiter 1906 |
topic_facet |
Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Polyclinidae Aplidium Aplidium meridianum |
description |
Aplidium meridianum (Sluiter, 1906) References : Amaroucium meridianum Sluiter, 1906: 15, fig. 12, pl. 1. Aplidium meridianum Monniot F. 1978: 4, fig. 1A (type revision); Monniot et al . 2011: 12, fig. 6 (synonymy). Material examined : 22 colonies; net; -38.0164 lat. -54.5054 long. (station 9); 1006 m; 11 August 2012 (Figure 2). Colonies are dome-shaped, spherical or digitiform supported by small, coarse bases with thin, short rhizoids encrusted with mud and grains of sand. The average size of the colonies is 2.3 cm in diameter and 1.3 cm tall. The tunic is smooth and free of external material. Zooids can be seen through transparency. When alive, the tunic is grayish and the zooids are white (Fig. 2). After conservation in formalin, the tunic turns light gray and the zooids turn pinkish. No regular systems are formed, but some colonies displayed elliptical or longitudinal row patterns. Cloacal apertures are inconspicuous. Zooids range from five to 12 mm in length. However, some of the post-abdomens can reach a maximum extension of 14 mm. The small atrial aperture is surrounded entirely by a short ring of tunic. It is situated next to the first and second row of stigmata. The atrial languet is wide and short. There are eight to ten thin and long oral tentacles disposed in a circle. The thorax bears from 12 to 18 rows of 12 to 14 stigmata. Six to ten thin longitudinal muscles run through each side of the zooid. The stomach has six to eight longitudinal well-marked folds of different sizes. Some folds are shorter than others or even incomplete. The gut loop curves dorsal and posterior and widens toward its final part. The bilobed anus ends between the sixth and eighth row of stigmata. The gonads are situated under the gut loop with no space in between. The testes are arranged in a simple longitudinal row or in clusters. The number of male follicles ranged from seven to 14. The sperm duct ends next to the anus. Either one or two larvae were found in the atrial cavities of all zooids in an immature state of development. Remarks. This is the northernmost record of the species, previously known from Antarctic and Sub-Antarctic areas. : Published as part of Maggioni, Tamara, Taverna, Anabela, Reyna, Paola B., Alurralde, Gastón, Rimondino, Clara & Tatián, Marcos, 2018, Deep-sea ascidians (Chordata, Tunicata) from the SW Atlantic: species richness with descriptions of two new species, pp. 1-28 in Zootaxa 4526 (1) on pages 3-5, DOI: 10.11646/zootaxa.4526.1.1, http://zenodo.org/record/2611359 : {"references": ["Sluiter, C. P. (1906) Tuniciers. In: Expedition Antarctique Francaise (1903 - 1905). Masson et Cie, Paris, pp. 1 - 48.", "Monniot, C. & Monniot, F. (1978) Recent work on the deep-sea tunicates. Oceanography and Marine Biology: An annual review, 16, 181 - 228", "Monniot, F., Dettai, A., Eleaume, M., Cruaud, C. & Ameziane N. (2011) Antarctic Ascidians (Tunicata) of the French- Australian survey CEAMARC in Terre Adelie. Zootaxa, 2817, 1 - 54."]} |
format |
Text |
author |
Maggioni, Tamara Taverna, Anabela Reyna, Paola B. Alurralde, Gastón Rimondino, Clara Tatián, Marcos |
author_facet |
Maggioni, Tamara Taverna, Anabela Reyna, Paola B. Alurralde, Gastón Rimondino, Clara Tatián, Marcos |
author_sort |
Maggioni, Tamara |
title |
Aplidium meridianum Sluiter 1906 |
title_short |
Aplidium meridianum Sluiter 1906 |
title_full |
Aplidium meridianum Sluiter 1906 |
title_fullStr |
Aplidium meridianum Sluiter 1906 |
title_full_unstemmed |
Aplidium meridianum Sluiter 1906 |
title_sort |
aplidium meridianum sluiter 1906 |
publisher |
Zenodo |
publishDate |
2018 |
url |
https://dx.doi.org/10.5281/zenodo.5995292 https://zenodo.org/record/5995292 |
long_lat |
ENVELOPE(-61.833,-61.833,-64.500,-64.500) |
geographic |
Antarctic Marcos |
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Antarctic Marcos |
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Antarc* Antarctic Antarctique* |
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Antarc* Antarctic Antarctique* |
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Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC0 |
op_doi |
https://doi.org/10.5281/zenodo.5995292 https://doi.org/10.11646/zootaxa.4526.1.1 https://doi.org/10.5281/zenodo.2611363 https://doi.org/10.5281/zenodo.5995293 |
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ftdatacite:10.5281/zenodo.5995292 2023-05-15T14:01:47+02:00 Aplidium meridianum Sluiter 1906 Maggioni, Tamara Taverna, Anabela Reyna, Paola B. Alurralde, Gastón Rimondino, Clara Tatián, Marcos 2018 https://dx.doi.org/10.5281/zenodo.5995292 https://zenodo.org/record/5995292 unknown Zenodo http://zenodo.org/record/2611359 http://publication.plazi.org/id/5C4FE40D7579FFA50B2135631216313A http://zoobank.org/028FC5EA-7123-4F3A-B6C4-5EBE57ADBE23 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.11646/zootaxa.4526.1.1 http://zenodo.org/record/2611359 http://publication.plazi.org/id/5C4FE40D7579FFA50B2135631216313A https://dx.doi.org/10.5281/zenodo.2611363 http://zoobank.org/028FC5EA-7123-4F3A-B6C4-5EBE57ADBE23 https://dx.doi.org/10.5281/zenodo.5995293 https://zenodo.org/communities/biosyslit Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess CC0 Biodiversity Taxonomy Animalia Chordata Ascidiacea Enterogona Polyclinidae Aplidium Aplidium meridianum article-journal ScholarlyArticle Taxonomic treatment Text 2018 ftdatacite https://doi.org/10.5281/zenodo.5995292 https://doi.org/10.11646/zootaxa.4526.1.1 https://doi.org/10.5281/zenodo.2611363 https://doi.org/10.5281/zenodo.5995293 2022-04-01T09:02:10Z Aplidium meridianum (Sluiter, 1906) References : Amaroucium meridianum Sluiter, 1906: 15, fig. 12, pl. 1. Aplidium meridianum Monniot F. 1978: 4, fig. 1A (type revision); Monniot et al . 2011: 12, fig. 6 (synonymy). Material examined : 22 colonies; net; -38.0164 lat. -54.5054 long. (station 9); 1006 m; 11 August 2012 (Figure 2). Colonies are dome-shaped, spherical or digitiform supported by small, coarse bases with thin, short rhizoids encrusted with mud and grains of sand. The average size of the colonies is 2.3 cm in diameter and 1.3 cm tall. The tunic is smooth and free of external material. Zooids can be seen through transparency. When alive, the tunic is grayish and the zooids are white (Fig. 2). After conservation in formalin, the tunic turns light gray and the zooids turn pinkish. No regular systems are formed, but some colonies displayed elliptical or longitudinal row patterns. Cloacal apertures are inconspicuous. Zooids range from five to 12 mm in length. However, some of the post-abdomens can reach a maximum extension of 14 mm. The small atrial aperture is surrounded entirely by a short ring of tunic. It is situated next to the first and second row of stigmata. The atrial languet is wide and short. There are eight to ten thin and long oral tentacles disposed in a circle. The thorax bears from 12 to 18 rows of 12 to 14 stigmata. Six to ten thin longitudinal muscles run through each side of the zooid. The stomach has six to eight longitudinal well-marked folds of different sizes. Some folds are shorter than others or even incomplete. The gut loop curves dorsal and posterior and widens toward its final part. The bilobed anus ends between the sixth and eighth row of stigmata. The gonads are situated under the gut loop with no space in between. The testes are arranged in a simple longitudinal row or in clusters. The number of male follicles ranged from seven to 14. The sperm duct ends next to the anus. Either one or two larvae were found in the atrial cavities of all zooids in an immature state of development. Remarks. This is the northernmost record of the species, previously known from Antarctic and Sub-Antarctic areas. : Published as part of Maggioni, Tamara, Taverna, Anabela, Reyna, Paola B., Alurralde, Gastón, Rimondino, Clara & Tatián, Marcos, 2018, Deep-sea ascidians (Chordata, Tunicata) from the SW Atlantic: species richness with descriptions of two new species, pp. 1-28 in Zootaxa 4526 (1) on pages 3-5, DOI: 10.11646/zootaxa.4526.1.1, http://zenodo.org/record/2611359 : {"references": ["Sluiter, C. P. (1906) Tuniciers. In: Expedition Antarctique Francaise (1903 - 1905). Masson et Cie, Paris, pp. 1 - 48.", "Monniot, C. & Monniot, F. (1978) Recent work on the deep-sea tunicates. Oceanography and Marine Biology: An annual review, 16, 181 - 228", "Monniot, F., Dettai, A., Eleaume, M., Cruaud, C. & Ameziane N. (2011) Antarctic Ascidians (Tunicata) of the French- Australian survey CEAMARC in Terre Adelie. Zootaxa, 2817, 1 - 54."]} Text Antarc* Antarctic Antarctique* DataCite Metadata Store (German National Library of Science and Technology) Antarctic Marcos ENVELOPE(-61.833,-61.833,-64.500,-64.500) |