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Published July 13, 2016 | Version v1
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FIGURES 137–142 in Two new Platessa (Bacillariophyceae) from Amazonia: Platessa guianensis spec. nov., and P. itoupensis spec. nov.

Authors/Creators

  • 1. Laboratoire Évolution & Diversité Biologique (EDB UMR 5174), Université de Toulouse, CNRS, ENFA, UPS, 118 route de Narbonne, F-31062 Toulouse, France
  • 2. Laboratoire d'écologie fonctionnelle et environnement (ECOLAB UMR 5245), Université de Toulouse, CNRS, ENFA, UPS, 118 route de Narbonne, F-31062 Toulouse, France
  • 3. Luxembourg Institute of Science and Technology (LIST), Department Environmental Research and Innovation (ERIN), 41 rue du Brill, L-4422 Belvaux, Luxembourg

Description

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).

Notes

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

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Is part of
Journal article: 10.11646/phytotaxa.267.4.1 (DOI)
Journal article: urn:lsid:plazi.org:pub:551EF908FFD3810EFFD3522E681CFF86 (LSID)
Journal article: http://publication.plazi.org/id/551EF908FFD3810EFFD3522E681CFF86 (URL)
Journal article: https://zenodo.org/record/13667166 (URL)