Filellum magnificum Pena Cantero, Svoboda & Vervoort 2004
Filellum cf. magnificum Peña Cantero, Svoboda & Vervoort, 2004 (fig. 10A, table 8) Filellum magnificum Peña Cantero, Svoboda & Vervoort, 2004: 2287, figs 2G–H, 5. Material examined. Stn. CHL 02 —04.iii.2005, 13– 20 m, S58: sterile colonies, on polychaete tubes (MHNG INVE 53239). Type localit...
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ftzenodo:oai:zenodo.org:5098589 2023-06-06T11:45:33+02:00 Filellum magnificum Pena Cantero, Svoboda & Vervoort 2004 Galea, Horia R. 2007-09-28 https://zenodo.org/record/5098589 https://doi.org/10.5281/zenodo.5098589 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/7F5A8787BF68FFABFF0EFE9A9ACBFA5C doi:10.11646/zootaxa.1650.1.4 http://zenodo.org/record/5097970 http://publication.plazi.org/id/8363FFFFBF43FF87FF99FF8D9A15FF86 http://treatment.plazi.org/id/002E150CFFC0055AFE43FB0899E84E44 http://zoobank.org/BF519BEF-877B-4DFB-A2FA-87710CC7F92B doi:10.5281/zenodo.5098588 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5098589 https://doi.org/10.5281/zenodo.5098589 oai:zenodo.org:5098589 info:eu-repo/semantics/openAccess Hydroids and hydromedusae (Cnidaria: Hydrozoa) from the fjords region of southern Chile, pp. 1-116 in Zootaxa 1597(1) 44-45 Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Lafoeidae Filellum Filellum magnificum info:eu-repo/semantics/other publication-taxonomictreatment 2007 ftzenodo https://doi.org/10.5281/zenodo.509858910.11646/zootaxa.1650.1.410.5281/zenodo.5098588 2023-04-13T21:07:56Z Filellum cf. magnificum Peña Cantero, Svoboda & Vervoort, 2004 (fig. 10A, table 8) Filellum magnificum Peña Cantero, Svoboda & Vervoort, 2004: 2287, figs 2G–H, 5. Material examined. Stn. CHL 02 —04.iii.2005, 13– 20 m, S58: sterile colonies, on polychaete tubes (MHNG INVE 53239). Type locality. Weddell Sea, Antarctica. Description. Stolons creeping on external surface of polychaete tubes, giving rise to irregularly-spaced hydrothecae. Hydrothecae consisting of a short basal portion, adnate to substratum, and a much longer free part (up to 2.5 mm high), sharply bending away from adnate part. Most hydrothecae with several widelyspaced renovations; hydrothecal aperture circular, rim even, though indistinctly everted. Upper side of adnate part provided with variable number of transverse striae. Coppinia absent. Remarks. Although the present material is sterile, I have tentatively assigned it to F. magnificum based on the dimensions of the hydrothecae. The allied species F. antarcticum (Hartlaub, 1904) was also reported from Chile (Leloup 1974). Both are characterized by the varied length of the adnate part of hydrotheca, the varied angle between the free and adnate parts, and the presence of a few, long renovations of the rim. However, Peña Cantero et al. (2004) studied abundant material of both species and reached the conclusion that, despite these resemblances, and even in the absence of gonosome, the hydrothecae of F. magnificum are clearly distinguishable from those of F. antarcticum by their larger size, especially the larger diameter of the hydrothecal aperture. Peña Cantero et al. (2004) found for F. antarcticum a maximum diameter of the hydrothecal rim of 130 µm, in both Vanhöffen’s (1910) specimens and the Polarstern material from Antarctica. Similarly, the fertile material studied by Millard (1975) from South Africa had hydrothecae with a maximum diameter at rim of 120 µm. The rim diameter in F. magnificum is comparatively larger, 169–208 µm (Peña Cantero et al. 2004). The present material from ... Other/Unknown Material Antarc* Antarctica Weddell Sea Zenodo Pena ENVELOPE(40.562,40.562,63.490,63.490) Weddell Weddell Sea |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Lafoeidae Filellum Filellum magnificum |
spellingShingle |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Lafoeidae Filellum Filellum magnificum Galea, Horia R. Filellum magnificum Pena Cantero, Svoboda & Vervoort 2004 |
topic_facet |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Lafoeidae Filellum Filellum magnificum |
description |
Filellum cf. magnificum Peña Cantero, Svoboda & Vervoort, 2004 (fig. 10A, table 8) Filellum magnificum Peña Cantero, Svoboda & Vervoort, 2004: 2287, figs 2G–H, 5. Material examined. Stn. CHL 02 —04.iii.2005, 13– 20 m, S58: sterile colonies, on polychaete tubes (MHNG INVE 53239). Type locality. Weddell Sea, Antarctica. Description. Stolons creeping on external surface of polychaete tubes, giving rise to irregularly-spaced hydrothecae. Hydrothecae consisting of a short basal portion, adnate to substratum, and a much longer free part (up to 2.5 mm high), sharply bending away from adnate part. Most hydrothecae with several widelyspaced renovations; hydrothecal aperture circular, rim even, though indistinctly everted. Upper side of adnate part provided with variable number of transverse striae. Coppinia absent. Remarks. Although the present material is sterile, I have tentatively assigned it to F. magnificum based on the dimensions of the hydrothecae. The allied species F. antarcticum (Hartlaub, 1904) was also reported from Chile (Leloup 1974). Both are characterized by the varied length of the adnate part of hydrotheca, the varied angle between the free and adnate parts, and the presence of a few, long renovations of the rim. However, Peña Cantero et al. (2004) studied abundant material of both species and reached the conclusion that, despite these resemblances, and even in the absence of gonosome, the hydrothecae of F. magnificum are clearly distinguishable from those of F. antarcticum by their larger size, especially the larger diameter of the hydrothecal aperture. Peña Cantero et al. (2004) found for F. antarcticum a maximum diameter of the hydrothecal rim of 130 µm, in both Vanhöffen’s (1910) specimens and the Polarstern material from Antarctica. Similarly, the fertile material studied by Millard (1975) from South Africa had hydrothecae with a maximum diameter at rim of 120 µm. The rim diameter in F. magnificum is comparatively larger, 169–208 µm (Peña Cantero et al. 2004). The present material from ... |
format |
Other/Unknown Material |
author |
Galea, Horia R. |
author_facet |
Galea, Horia R. |
author_sort |
Galea, Horia R. |
title |
Filellum magnificum Pena Cantero, Svoboda & Vervoort 2004 |
title_short |
Filellum magnificum Pena Cantero, Svoboda & Vervoort 2004 |
title_full |
Filellum magnificum Pena Cantero, Svoboda & Vervoort 2004 |
title_fullStr |
Filellum magnificum Pena Cantero, Svoboda & Vervoort 2004 |
title_full_unstemmed |
Filellum magnificum Pena Cantero, Svoboda & Vervoort 2004 |
title_sort |
filellum magnificum pena cantero, svoboda & vervoort 2004 |
publishDate |
2007 |
url |
https://zenodo.org/record/5098589 https://doi.org/10.5281/zenodo.5098589 |
long_lat |
ENVELOPE(40.562,40.562,63.490,63.490) |
geographic |
Pena Weddell Weddell Sea |
geographic_facet |
Pena Weddell Weddell Sea |
genre |
Antarc* Antarctica Weddell Sea |
genre_facet |
Antarc* Antarctica Weddell Sea |
op_source |
Hydroids and hydromedusae (Cnidaria: Hydrozoa) from the fjords region of southern Chile, pp. 1-116 in Zootaxa 1597(1) 44-45 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/7F5A8787BF68FFABFF0EFE9A9ACBFA5C doi:10.11646/zootaxa.1650.1.4 http://zenodo.org/record/5097970 http://publication.plazi.org/id/8363FFFFBF43FF87FF99FF8D9A15FF86 http://treatment.plazi.org/id/002E150CFFC0055AFE43FB0899E84E44 http://zoobank.org/BF519BEF-877B-4DFB-A2FA-87710CC7F92B doi:10.5281/zenodo.5098588 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5098589 https://doi.org/10.5281/zenodo.5098589 oai:zenodo.org:5098589 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.509858910.11646/zootaxa.1650.1.410.5281/zenodo.5098588 |
_version_ |
1767948873928540160 |