Staurosirella acidophila sp. nov., a New Araphid Diatom (Bacillariophyta) from Southeastern Brazil: Ultrastructure, Distribution and Autecology
作者： Pryscilla D Almeida , Carlos E Wetzel , Eduardo A Morales , Luc Ector , Denise C Bicudo
DOI: 10.7872/CRYA/V36.ISS3.2015.255
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摘要: Abstract A new diatom species, Staurosirella acidophila, is described from surface sediments and phytoplankton samples tropical reservoirs in Sao Paulo, Brazil. Description of the taxon based on morphological characteristics observed using light (LM) scanning electron microscopy (SEM). The species characterized by having rhombic-lanceolate valves with acuminate to rostrate ends, striae uniseriate, uninterrupted valve face mantle areolae elongated, slit-like. Double line incipient spines for first time reported genus Staurosirella. It belongs group morphologically related pinnata sensu auct. non null. shares some resemblance currently belonging Punctastriata. Comparison similar ascribed genera Punctastriata, Staurosira are provided. sites that represent good ecological status (low nutrient concentrations...
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