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CATALOG - Exanthemachrysis


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Original descriptions of taxa. For coccolithophores, and many calcispheres, these are pages from the Farinacci & Howe Catalog of Calcareous Nannofossils. In other cases (e.g. non-calcifying haptophytes) the data is directly compiled on this site. The "Catalogue of Calcareous Nannofossils" was originally compiled by Prof A. Farinacci 1969-1989, since 2000 it has been updated and extended by Richard Howe - see The Farinacci and Howe Catalog - an Introduction.
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Exanthemachrysis gayraliae Lepailleur 1970
= Exanthemachrysis gayraliae


Current identification/main database link: Exanthemachrysis Lepailleur 1970

Compiled data

Citation: Exanthemachrysis Lepailleur 1970
Taxonomic rank: genus
Type species: Exanthemachrysis gayraliae Lepailleur 1970
Farinacci catalog page (& compiler): n/a
Current citation: Exanthemachrysis Lepailleur 1970


Original Description

Habitui palmelloidi sunt cellulae corticem habentes, quae cellulas-filias procreant gemmatione quadam cervisiae simili. Cellulae mobilese palmelloidi habitu ortae flagella duo disparia et haptonemam non contractilem ostendunt, lateraliter inserta ad tertiam partem axis qui a priore parte ad posteriorem tendit. Longius flagellum,inpriorempartem, tendens tomentosum est, alterum contra leve.

Palmelloid cells are cells with a cortex, which give rise to daughter cells by a kind of budding similar to beer. Motile cells with a palmelloid habit show two unequal flagella and a non-contractile haptonema, inserted laterally to the third part of the axis that runs from the anterior to the posterior. The longer flagellum, tending to the anterior part, is tomentose, the other is smooth.

References:

Lepailleur, H. (1970). Sur un nouveau genre de Chrysophycées: Exanthemachrysis nov. gen. (E. gayralii nov. sp.). Comptes rendus hebdomaire de l'Académie des sciences, Paris. 270: 928-931. gs


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Exanthemachrysis: Catalog entry compiled by Jeremy Young. Viewed: 14-6-2026

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=54659 Go to Archive.is to create a permanent copy of this page - citation notes

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