Taxonomic position of Lovenella gracilis (Clarke, 1882) (Lovenellidae, Hydrozoa): new evidences of microanatomy justify its maintenance in the genus Lovenella (Hincks, 1868)

Lovenella gracilis Clarke, 1882 is one of the 15 nominal species referred to the genus Lovenella Hincks, 1868, characterized by the presence of a basal line demarcating the separation between operculum and hydrotheca. However, Lovenella gracilis apparently does not have the demarcating line under li...

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Autores principales:	Pires-Miranda,Thaís, Ferreira-Cunha,Amanda, Marques,Antonio C
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2013
Materias:	Lovenella Dipleuron operculum taxonomy South Atlantic Brazil
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2013000200007
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spelling	oai:scielo:S0718-560X20130002000072013-08-13Taxonomic position of Lovenella gracilis (Clarke, 1882) (Lovenellidae, Hydrozoa): new evidences of microanatomy justify its maintenance in the genus Lovenella (Hincks, 1868)Pires-Miranda,ThaísFerreira-Cunha,AmandaMarques,Antonio C Lovenella Dipleuron operculum taxonomy South Atlantic Brazil Lovenella gracilis Clarke, 1882 is one of the 15 nominal species referred to the genus Lovenella Hincks, 1868, characterized by the presence of a basal line demarcating the separation between operculum and hydrotheca. However, Lovenella gracilis apparently does not have the demarcating line under light microscopy - therefore, the resurrection of the genus Dipleuron Brooks, 1882 was proposed to accommodate this species. The goal of this study is redescribe the polyp of L. gracilis trying to resolve this doubtful taxonomical status. Fertile colonies were collected in the intertidal zone of Rio Grande do Norte and Santa Catarina States, representing the first record of the species for the South Atlantic. Scanning electron microcopy of L. gracilis has shown a tenuous demarcation between operculum and hydrotheca, corroborating its position in the genus Lovenella. Considering the new evidences presented, we propose the maintenance of the species L. gracilis in the genus Lovenella, and corroborate the synonymy of Dipleuron and Lovenella.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.41 n.2 20132013-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2013000200007en10.3856/vol41-issue2-fulltext-7
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Lovenella Dipleuron operculum taxonomy South Atlantic Brazil
spellingShingle	Lovenella Dipleuron operculum taxonomy South Atlantic Brazil Pires-Miranda,Thaís Ferreira-Cunha,Amanda Marques,Antonio C Taxonomic position of Lovenella gracilis (Clarke, 1882) (Lovenellidae, Hydrozoa): new evidences of microanatomy justify its maintenance in the genus Lovenella (Hincks, 1868)
description	Lovenella gracilis Clarke, 1882 is one of the 15 nominal species referred to the genus Lovenella Hincks, 1868, characterized by the presence of a basal line demarcating the separation between operculum and hydrotheca. However, Lovenella gracilis apparently does not have the demarcating line under light microscopy - therefore, the resurrection of the genus Dipleuron Brooks, 1882 was proposed to accommodate this species. The goal of this study is redescribe the polyp of L. gracilis trying to resolve this doubtful taxonomical status. Fertile colonies were collected in the intertidal zone of Rio Grande do Norte and Santa Catarina States, representing the first record of the species for the South Atlantic. Scanning electron microcopy of L. gracilis has shown a tenuous demarcation between operculum and hydrotheca, corroborating its position in the genus Lovenella. Considering the new evidences presented, we propose the maintenance of the species L. gracilis in the genus Lovenella, and corroborate the synonymy of Dipleuron and Lovenella.
author	Pires-Miranda,Thaís Ferreira-Cunha,Amanda Marques,Antonio C
author_facet	Pires-Miranda,Thaís Ferreira-Cunha,Amanda Marques,Antonio C
author_sort	Pires-Miranda,Thaís
title	Taxonomic position of Lovenella gracilis (Clarke, 1882) (Lovenellidae, Hydrozoa): new evidences of microanatomy justify its maintenance in the genus Lovenella (Hincks, 1868)
title_short	Taxonomic position of Lovenella gracilis (Clarke, 1882) (Lovenellidae, Hydrozoa): new evidences of microanatomy justify its maintenance in the genus Lovenella (Hincks, 1868)
title_full	Taxonomic position of Lovenella gracilis (Clarke, 1882) (Lovenellidae, Hydrozoa): new evidences of microanatomy justify its maintenance in the genus Lovenella (Hincks, 1868)
title_fullStr	Taxonomic position of Lovenella gracilis (Clarke, 1882) (Lovenellidae, Hydrozoa): new evidences of microanatomy justify its maintenance in the genus Lovenella (Hincks, 1868)
title_full_unstemmed	Taxonomic position of Lovenella gracilis (Clarke, 1882) (Lovenellidae, Hydrozoa): new evidences of microanatomy justify its maintenance in the genus Lovenella (Hincks, 1868)
title_sort	taxonomic position of lovenella gracilis (clarke, 1882) (lovenellidae, hydrozoa): new evidences of microanatomy justify its maintenance in the genus lovenella (hincks, 1868)
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2013
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2013000200007
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Taxonomic position of Lovenella gracilis (Clarke, 1882) (Lovenellidae, Hydrozoa): new evidences of microanatomy justify its maintenance in the genus Lovenella (Hincks, 1868)

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