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FIGURES 137–142 in Two new Platessa (Bacillariophyceae) from Amazonia: Platessa guianensis spec. nov., and P. itoupensis spec. nov.

Authors: Tudesque, Loïc; Cohu, René Le; Wetzel, Carlos E.;

FIGURES 137–142 in Two new Platessa (Bacillariophyceae) from Amazonia: Platessa guianensis spec. nov., and P. itoupensis spec. nov.

Abstract

FIGURES 137–142. (Continued) Platessa itoupensis sp. nov., material from French Guiana. SEM. 137–138. External view of the RSV showing the coarse and curved multiseriate striae, the features of the raphe sternum. Hyaline area surrounding the valve. 139. Tilted view of the external RSV, note the weakly thickness of the mantle free from poroids or areolae. 140. Details of external proximal raphe endings surrounded by a groove weakly extended (arrow). 141. Details of external distal raphe ending with circumflex-like extended groove. 142. Inner view of the RSV showing the raphe features, raphe endings deflected to opposite sides. Note the open valvocopula (arrow).

Published as part of Tudesque, Loïc, Cohu, René Le & Wetzel, Carlos E., 2016, Two new Platessa (Bacillariophyceae) from Amazonia: Platessa guianensis spec. nov., and P. itoupensis spec. nov., pp. 237-255 in Phytotaxa 267 (4) on page 247, DOI: 10.11646/phytotaxa.267.4.1, http://zenodo.org/record/13667166

Keywords

Chromista, Bacillariophyceae, Achnanthaceae, Biodiversity, Bacillariophyta, Platessa, Achnanthales, Taxonomy

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average