Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae)
Autor(a) principal: | |
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Data de Publicação: | 1980 |
Tipo de documento: | Artigo |
Idioma: | spa |
Título da fonte: | Boletim do Instituto Oceanográfico |
Texto Completo: | https://www.revistas.usp.br/biocean/article/view/39893 |
Resumo: | A taxonomic revision of some diatom species of the genera Biddulphia Gray and Triceratium Ehrenberg is made. The species are: B. azorica Pavillard, B. schroederiana Schussnig, B. membranacea Cleve. T. formosum Brightwell f.formosum, T. formosum f. quadrangularis (Hustedt), T. formosum f. quinquelobulata (Hustedt), T. shadboltianum Greville, T. shadbottianum f. elongata (Grunow) Hustedt and T. pelagicum (Schroder) Sournia. These species have poor siliciflcation of the frustules, reduced valvar apendixes and spines or none; these features could be regarded as adaptations to pelagic life. Descriptions and microphotographies of the species were made. These Biddulphia spp were found to be very close and some morphometric differences in the relation apical axe/pervalvar axe were taken in order to identify them quickly. All forms were found to be more frequent in no rain season and in high salinity waters (36 ‰). For T. formosum f. quadrangularis (Hustedt) and T. formosum f. quinquelobulata (Hustedt) some explanations were made about its real infrasnecific position, so that T. quadrangulare Greville and T. quinquelobutarum Greville should be regarded as different species of that forms of T.formosum Brightwell. B. azorica Pavillard and B. schroederiana Schussnig are first reported for the Caribbean Sea area. |
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Boletim do Instituto Oceanográfico |
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Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae) A taxonomic revision of some diatom species of the genera Biddulphia Gray and Triceratium Ehrenberg is made. The species are: B. azorica Pavillard, B. schroederiana Schussnig, B. membranacea Cleve. T. formosum Brightwell f.formosum, T. formosum f. quadrangularis (Hustedt), T. formosum f. quinquelobulata (Hustedt), T. shadboltianum Greville, T. shadbottianum f. elongata (Grunow) Hustedt and T. pelagicum (Schroder) Sournia. These species have poor siliciflcation of the frustules, reduced valvar apendixes and spines or none; these features could be regarded as adaptations to pelagic life. Descriptions and microphotographies of the species were made. These Biddulphia spp were found to be very close and some morphometric differences in the relation apical axe/pervalvar axe were taken in order to identify them quickly. All forms were found to be more frequent in no rain season and in high salinity waters (36 ‰). For T. formosum f. quadrangularis (Hustedt) and T. formosum f. quinquelobulata (Hustedt) some explanations were made about its real infrasnecific position, so that T. quadrangulare Greville and T. quinquelobutarum Greville should be regarded as different species of that forms of T.formosum Brightwell. B. azorica Pavillard and B. schroederiana Schussnig are first reported for the Caribbean Sea area. Universidade de São Paulo. Instituto Oceanográfico1980-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/biocean/article/view/3989310.1590/S0373-55241980000200016Boletim do Instituto Oceanográfico; v. 29 n. 2 (1980); 75-78 Boletim do Instituto Oceanografico; Vol. 29 No. 2 (1980); 75-78 Boletim do Instituto Oceanográfico; Vol. 29 Núm. 2 (1980); 75-78 2316-89510373-5524reponame:Boletim do Instituto Oceanográficoinstname:Instituto Oceanográfico da Universidade de São Paulo (IOUSP)instacron:USPspahttps://www.revistas.usp.br/biocean/article/view/39893/42757Ortiz, Maria Consuelo Carbonellinfo:eu-repo/semantics/openAccess2012-08-23T13:06:19Zoai:revistas.usp.br:article/39893Revistahttps://www.revistas.usp.br/bioceanPUBhttps://www.revistas.usp.br/biocean/oaiamspires@usp.br0373-55240373-5524opendoar:2012-08-23T13:06:19Boletim do Instituto Oceanográfico - Instituto Oceanográfico da Universidade de São Paulo (IOUSP)false |
dc.title.none.fl_str_mv |
Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae) |
title |
Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae) |
spellingShingle |
Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae) Ortiz, Maria Consuelo Carbonell |
title_short |
Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae) |
title_full |
Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae) |
title_fullStr |
Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae) |
title_full_unstemmed |
Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae) |
title_sort |
Discusión taxonómica de algunas especies interesantes de los géneros Biddulphia Gray y Triceratium Ehrenberg (Bacillariophyceae) |
author |
Ortiz, Maria Consuelo Carbonell |
author_facet |
Ortiz, Maria Consuelo Carbonell |
author_role |
author |
dc.contributor.author.fl_str_mv |
Ortiz, Maria Consuelo Carbonell |
description |
A taxonomic revision of some diatom species of the genera Biddulphia Gray and Triceratium Ehrenberg is made. The species are: B. azorica Pavillard, B. schroederiana Schussnig, B. membranacea Cleve. T. formosum Brightwell f.formosum, T. formosum f. quadrangularis (Hustedt), T. formosum f. quinquelobulata (Hustedt), T. shadboltianum Greville, T. shadbottianum f. elongata (Grunow) Hustedt and T. pelagicum (Schroder) Sournia. These species have poor siliciflcation of the frustules, reduced valvar apendixes and spines or none; these features could be regarded as adaptations to pelagic life. Descriptions and microphotographies of the species were made. These Biddulphia spp were found to be very close and some morphometric differences in the relation apical axe/pervalvar axe were taken in order to identify them quickly. All forms were found to be more frequent in no rain season and in high salinity waters (36 ‰). For T. formosum f. quadrangularis (Hustedt) and T. formosum f. quinquelobulata (Hustedt) some explanations were made about its real infrasnecific position, so that T. quadrangulare Greville and T. quinquelobutarum Greville should be regarded as different species of that forms of T.formosum Brightwell. B. azorica Pavillard and B. schroederiana Schussnig are first reported for the Caribbean Sea area. |
publishDate |
1980 |
dc.date.none.fl_str_mv |
1980-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.revistas.usp.br/biocean/article/view/39893 10.1590/S0373-55241980000200016 |
url |
https://www.revistas.usp.br/biocean/article/view/39893 |
identifier_str_mv |
10.1590/S0373-55241980000200016 |
dc.language.iso.fl_str_mv |
spa |
language |
spa |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/biocean/article/view/39893/42757 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto Oceanográfico |
publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto Oceanográfico |
dc.source.none.fl_str_mv |
Boletim do Instituto Oceanográfico; v. 29 n. 2 (1980); 75-78 Boletim do Instituto Oceanografico; Vol. 29 No. 2 (1980); 75-78 Boletim do Instituto Oceanográfico; Vol. 29 Núm. 2 (1980); 75-78 2316-8951 0373-5524 reponame:Boletim do Instituto Oceanográfico instname:Instituto Oceanográfico da Universidade de São Paulo (IOUSP) instacron:USP |
instname_str |
Instituto Oceanográfico da Universidade de São Paulo (IOUSP) |
instacron_str |
USP |
institution |
USP |
reponame_str |
Boletim do Instituto Oceanográfico |
collection |
Boletim do Instituto Oceanográfico |
repository.name.fl_str_mv |
Boletim do Instituto Oceanográfico - Instituto Oceanográfico da Universidade de São Paulo (IOUSP) |
repository.mail.fl_str_mv |
amspires@usp.br |
_version_ |
1797049930600153088 |