Eudendrium Ehrenberg 1834
Eudendrium sp.2 (Fig. 3j) Material examined. ANT XXI/2 : PS65/248 , one colony, c. 80 mm high, with male gonophores. Remarks. This species is characterized by having a strongly polysiphonic stem, up to 80 mm high, with smooth perisarc. Only 8–9 polyps remain in the material examined. Male gonophores...
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ftzenodo:oai:zenodo.org:5934891 2024-09-15T17:48:24+00:00 Eudendrium Ehrenberg 1834 Soto, Joan J. Peña, Álvaro L. 2019-03-22 https://doi.org/10.5281/zenodo.5934891 http://treatment.plazi.org/id/03B887B7A463FFFFE983FF77FC50986D unknown Zenodo https://doi.org/10.11646/zootaxa.4570.1.1 http://zenodo.org/record/2608527 http://publication.plazi.org/id/FF81FFCFA46EFFF2E914FFEFFFBB9B7E https://sibils.text-analytics.ch/search/collections/plazi/03B887B7A463FFFFE983FF77FC50986D https://www.gbif.org/species/154497125 https://www.checklistbank.org/dataset/27992/taxon/03B887B7A463FFFFE983FF77FC50986D.taxon https://doi.org/10.5281/zenodo.2608533 http://zoobank.org/EF369E98-EBD9-4647-B081-65AD1794A27C https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5934890 https://doi.org/10.5281/zenodo.5934891 oai:zenodo.org:5934891 http://treatment.plazi.org/id/03B887B7A463FFFFE983FF77FC50986D info:eu-repo/semantics/openAccess Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), pp. 1-78 in Zootaxa, 4570(1), 14, (2019-03-22) Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Anthoathecata Eudendriidae Eudendrium info:eu-repo/semantics/other 2019 ftzenodo https://doi.org/10.5281/zenodo.593489110.11646/zootaxa.4570.1.110.5281/zenodo.260853310.5281/zenodo.5934890 2024-07-26T11:43:04Z Eudendrium sp.2 (Fig. 3j) Material examined. ANT XXI/2 : PS65/248 , one colony, c. 80 mm high, with male gonophores. Remarks. This species is characterized by having a strongly polysiphonic stem, up to 80 mm high, with smooth perisarc. Only 8–9 polyps remain in the material examined. Male gonophores are mono- or bichambered, up to nine per polyp (Fig. 3j). The cnidome consists of microbasic euryteles of two size classes: the smaller [range 10.5–12.0 x 5.0–5.5 µm, mean 11.3±0.5 x 5.1±0.2 µm (n=15)], abundant on tentacles, and the larger [range 32.0– 35.5 x 16 –18.0 µm, mean 33.5±1.4 x 17.1±0.6 µm (n=16)] are scarce on the hypostome. The present material agrees, in the shape of the colony and the size of the nematocysts, with the material described as Eudendrium sp.1 by Peña Cantero (2009) and reported anew by Peña Cantero (2014a). As stated by this author, the material could be conspecific with Eudendrium cyathiferum Jäderholm, 1904, but the cnidome of Jäderholm’s species remains unknown and further investigations are needed regarding this issue. Ecology and distribution. Material presumably belonging to this species reported at depths between 103 (Peña Cantero 2009, as Eudendrium sp.) and 699 m (Peña Cantero 2014a, as Eudendrium sp. 1); present material at 286– 287 m. Previously known from the Balleny Islands (Peña Cantero 2009) and Queen Mary Coast (Peña Cantero 2014a), in East Antarctica. Present contribution constitutes the first evidence of the species from both the Weddell Sea and West Antarctica, pointing to circum-Antarctic distribution. Published as part of Soto, Joan J. & Peña, Álvaro L., 2019, Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), pp. 1-78 in Zootaxa 4570 (1) on page 14, DOI:10.11646/zootaxa.4570.1.1, http://zenodo.org/record/2608527 Other/Unknown Material Antarc* Antarctic Antarctica Balleny Islands East Antarctica Weddell Sea West Antarctica Zenodo |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Anthoathecata Eudendriidae Eudendrium |
spellingShingle |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Anthoathecata Eudendriidae Eudendrium Soto, Joan J. Peña, Álvaro L. Eudendrium Ehrenberg 1834 |
topic_facet |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Anthoathecata Eudendriidae Eudendrium |
description |
Eudendrium sp.2 (Fig. 3j) Material examined. ANT XXI/2 : PS65/248 , one colony, c. 80 mm high, with male gonophores. Remarks. This species is characterized by having a strongly polysiphonic stem, up to 80 mm high, with smooth perisarc. Only 8–9 polyps remain in the material examined. Male gonophores are mono- or bichambered, up to nine per polyp (Fig. 3j). The cnidome consists of microbasic euryteles of two size classes: the smaller [range 10.5–12.0 x 5.0–5.5 µm, mean 11.3±0.5 x 5.1±0.2 µm (n=15)], abundant on tentacles, and the larger [range 32.0– 35.5 x 16 –18.0 µm, mean 33.5±1.4 x 17.1±0.6 µm (n=16)] are scarce on the hypostome. The present material agrees, in the shape of the colony and the size of the nematocysts, with the material described as Eudendrium sp.1 by Peña Cantero (2009) and reported anew by Peña Cantero (2014a). As stated by this author, the material could be conspecific with Eudendrium cyathiferum Jäderholm, 1904, but the cnidome of Jäderholm’s species remains unknown and further investigations are needed regarding this issue. Ecology and distribution. Material presumably belonging to this species reported at depths between 103 (Peña Cantero 2009, as Eudendrium sp.) and 699 m (Peña Cantero 2014a, as Eudendrium sp. 1); present material at 286– 287 m. Previously known from the Balleny Islands (Peña Cantero 2009) and Queen Mary Coast (Peña Cantero 2014a), in East Antarctica. Present contribution constitutes the first evidence of the species from both the Weddell Sea and West Antarctica, pointing to circum-Antarctic distribution. Published as part of Soto, Joan J. & Peña, Álvaro L., 2019, Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), pp. 1-78 in Zootaxa 4570 (1) on page 14, DOI:10.11646/zootaxa.4570.1.1, http://zenodo.org/record/2608527 |
format |
Other/Unknown Material |
author |
Soto, Joan J. Peña, Álvaro L. |
author_facet |
Soto, Joan J. Peña, Álvaro L. |
author_sort |
Soto, Joan J. |
title |
Eudendrium Ehrenberg 1834 |
title_short |
Eudendrium Ehrenberg 1834 |
title_full |
Eudendrium Ehrenberg 1834 |
title_fullStr |
Eudendrium Ehrenberg 1834 |
title_full_unstemmed |
Eudendrium Ehrenberg 1834 |
title_sort |
eudendrium ehrenberg 1834 |
publisher |
Zenodo |
publishDate |
2019 |
url |
https://doi.org/10.5281/zenodo.5934891 http://treatment.plazi.org/id/03B887B7A463FFFFE983FF77FC50986D |
genre |
Antarc* Antarctic Antarctica Balleny Islands East Antarctica Weddell Sea West Antarctica |
genre_facet |
Antarc* Antarctic Antarctica Balleny Islands East Antarctica Weddell Sea West Antarctica |
op_source |
Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), pp. 1-78 in Zootaxa, 4570(1), 14, (2019-03-22) |
op_relation |
https://doi.org/10.11646/zootaxa.4570.1.1 http://zenodo.org/record/2608527 http://publication.plazi.org/id/FF81FFCFA46EFFF2E914FFEFFFBB9B7E https://sibils.text-analytics.ch/search/collections/plazi/03B887B7A463FFFFE983FF77FC50986D https://www.gbif.org/species/154497125 https://www.checklistbank.org/dataset/27992/taxon/03B887B7A463FFFFE983FF77FC50986D.taxon https://doi.org/10.5281/zenodo.2608533 http://zoobank.org/EF369E98-EBD9-4647-B081-65AD1794A27C https://zenodo.org/communities/biosyslit https://doi.org/10.5281/zenodo.5934890 https://doi.org/10.5281/zenodo.5934891 oai:zenodo.org:5934891 http://treatment.plazi.org/id/03B887B7A463FFFFE983FF77FC50986D |
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.593489110.11646/zootaxa.4570.1.110.5281/zenodo.260853310.5281/zenodo.5934890 |
_version_ |
1810289577254977536 |