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Essai d'analyse elementaire de la theque de Trigonopyxis arcula (Leidy) Penard (Rhizopoda, Testacea)

The shells of T. arcula were analysed qualitatively using the probe of a scanning electron microscope and Castaing's microprobe analyser. The elements Al, Si, K, Ca, Fe, Ti, Cl, S and Mg were detected at several points, and along the diameter. The respective densities are illustrated by distrib...

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Bibliographic Details
Published in:Ecological bulletins 1977-01 (25), p.164-172
Main Authors: Coûteaux, M. M., Jeanson, C. Y.
Format: Article
Language:fre
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Summary:The shells of T. arcula were analysed qualitatively using the probe of a scanning electron microscope and Castaing's microprobe analyser. The elements Al, Si, K, Ca, Fe, Ti, Cl, S and Mg were detected at several points, and along the diameter. The respective densities are illustrated by distribution maps (X-ray pictures). These analyses do not disturb the structure of the shells. The results are compared to those of Nebela tincta, Euglypha sp., Phryganella acropodia and Centropyxis aerophila.
ISSN:0346-6868