SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus
Oswaldella is the most speciose genus, and one of the most characteristic, of hydrozoans inhabiting the Antarctic benthic marine ecosystem. Its species have relatively many important taxonomic characters allowing for their identification. Some of them, however, are difficult to study properly with a...
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Mangolia Press
2015
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ftmagnoliapress:oai:ojs.mapress.com:article/35721 2023-05-15T13:43:45+02:00 SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus MOLINERO, A. GONZÁLEZ CANTERO, A.L. PEÑA 2015-12-04 application/pdf https://www.mapress.com/j/zt/article/view/zootaxa.4052.4.1 https://doi.org/10.11646/zootaxa.4052.4.1 eng eng Mangolia Press https://www.mapress.com/j/zt/article/view/zootaxa.4052.4.1/31765 Copyright (c) 2016 Zootaxa Zootaxa; Vol 4052, No 4: 4 Dec. 2015; 401–441 1175-5334 1175-5326 10.11646/zootaxa.4052.4 Protozoa Hydrozoans hydroids Southern Ocean taxonomy geographic distribution info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2015 ftmagnoliapress https://doi.org/10.11646/zootaxa.4052.4.1 2019-09-24T15:04:12Z Oswaldella is the most speciose genus, and one of the most characteristic, of hydrozoans inhabiting the Antarctic benthic marine ecosystem. Its species have relatively many important taxonomic characters allowing for their identification. Some of them, however, are difficult to study properly with a compound microscope. With the aim of improving scientific knowledge concerning species of the genus, a SEM survey of species of Oswaldella was carried out to study key morphological characters. Fourteen out of the 27 known nominal species were considered. The study has revealed unknown important characters, such as the presence of nematothecae associated with the nematophores at the cauline apophyses, and has provided a better understanding of others, such as the shape of the nematotheca associated with the medial infrathecal nematophore. A final general discussion on some of the characters studied and on the bathymetrical and geographical distribution of all known species is also included. Finally, an annotated checklist including all known nominal species has also been assembled. Article in Journal/Newspaper Antarc* Antarctic Southern Ocean Magnolia press Antarctic Southern Ocean The Antarctic Zootaxa 4052 4 401 |
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Open Polar |
collection |
Magnolia press |
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ftmagnoliapress |
language |
English |
topic |
Protozoa Hydrozoans hydroids Southern Ocean taxonomy geographic distribution |
spellingShingle |
Protozoa Hydrozoans hydroids Southern Ocean taxonomy geographic distribution MOLINERO, A. GONZÁLEZ CANTERO, A.L. PEÑA SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus |
topic_facet |
Protozoa Hydrozoans hydroids Southern Ocean taxonomy geographic distribution |
description |
Oswaldella is the most speciose genus, and one of the most characteristic, of hydrozoans inhabiting the Antarctic benthic marine ecosystem. Its species have relatively many important taxonomic characters allowing for their identification. Some of them, however, are difficult to study properly with a compound microscope. With the aim of improving scientific knowledge concerning species of the genus, a SEM survey of species of Oswaldella was carried out to study key morphological characters. Fourteen out of the 27 known nominal species were considered. The study has revealed unknown important characters, such as the presence of nematothecae associated with the nematophores at the cauline apophyses, and has provided a better understanding of others, such as the shape of the nematotheca associated with the medial infrathecal nematophore. A final general discussion on some of the characters studied and on the bathymetrical and geographical distribution of all known species is also included. Finally, an annotated checklist including all known nominal species has also been assembled. |
format |
Article in Journal/Newspaper |
author |
MOLINERO, A. GONZÁLEZ CANTERO, A.L. PEÑA |
author_facet |
MOLINERO, A. GONZÁLEZ CANTERO, A.L. PEÑA |
author_sort |
MOLINERO, A. GONZÁLEZ |
title |
SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus |
title_short |
SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus |
title_full |
SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus |
title_fullStr |
SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus |
title_full_unstemmed |
SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus |
title_sort |
sem study of species of oswaldella stechow, 1919 (cnidaria, hydrozoa, kirchenpaueriidae), with an annotated checklist of the species of the genus |
publisher |
Mangolia Press |
publishDate |
2015 |
url |
https://www.mapress.com/j/zt/article/view/zootaxa.4052.4.1 https://doi.org/10.11646/zootaxa.4052.4.1 |
geographic |
Antarctic Southern Ocean The Antarctic |
geographic_facet |
Antarctic Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_source |
Zootaxa; Vol 4052, No 4: 4 Dec. 2015; 401–441 1175-5334 1175-5326 10.11646/zootaxa.4052.4 |
op_relation |
https://www.mapress.com/j/zt/article/view/zootaxa.4052.4.1/31765 |
op_rights |
Copyright (c) 2016 Zootaxa |
op_doi |
https://doi.org/10.11646/zootaxa.4052.4.1 |
container_title |
Zootaxa |
container_volume |
4052 |
container_issue |
4 |
container_start_page |
401 |
_version_ |
1766192808996110336 |