2015
DOI: 10.11646/phytotaxa.239.3.9
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Pinnularia caprichosa sp. nov.: a diatom from a black water Brazilian Amazon system

Abstract: While possessing a remarkable diversity in the acidic and oligotrophic waters of the Amazon basin, the genus Pinnularia appears underdescribed in the region. In this study, we present light and scanning electron microscopical observations on Pinnularia caprichosa sp. nov. from Tupé Lake, a dendritic lake located on the floodplain of the Negro River basin. This new taxon has a large axial area and transapical striae that are slightly radiate to parallel and longer in the middle portion of the valve. The species… Show more

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Cited by 7 publications
(4 citation statements)
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“…Pinnularia caprichosa sp. nov., adds to the growing list of Pinnularia described from a black water Brazilian Amazon system (Pereira et al, 2015). Two new species, Surirella ebalensis sp.…”
Section: Methodsmentioning
confidence: 97%
“…Pinnularia caprichosa sp. nov., adds to the growing list of Pinnularia described from a black water Brazilian Amazon system (Pereira et al, 2015). Two new species, Surirella ebalensis sp.…”
Section: Methodsmentioning
confidence: 97%
“…Os estudos que incluem o gênero Pinnularia na Amazônia brasileira estão, em sua maioria, concentrados no Estado do Amazonas, em ambientes de águas pretas, tais como o rio Negro (Uherkovich 1976, Fukushima & Xavier 1988, Wetzel 2011, Metzeltin & Lange-Bertalot 1998, 2007, Pereira et al 2012, rio Jaú (Díaz-Castro et al 2003), Lago Tupé (Pereira et al 2013(Pereira et al , 2014(Pereira et al , 2015, Lago Cutiuaú (Raupp et al 2009). Em ambientes de águas claras poucos estudos foram realizados, como as contribuições para os rios Arapiuns e Tapajós, lago Jurucuí e igarapé do Tento (Hustedt 1965, Uherkovich 1976, Metzeltin & Lange-Bertalot 1998, 2007.…”
Section: Introductionunclassified
“…Os trabalhos mais relevantes sobre Pinnularia na bacia do rio Negro foram realizados por Metzeltin & Lange-Bertalot (1998, 2007, Pereira (2009), Wetzel (2011) e Pereira et al (2012Pereira et al ( , 2013Pereira et al ( , 2014Pereira et al ( , 2015, responsáveis por um avanço considerável no que diz respeito ao conhecimento das espécies deste gênero.…”
Section: Introductionunclassified