Michael Rasser Home of Fossil Coralline Algae Anatomical Features Paleogene Algae List of Taxa References

DIMEROUS THALLI

Click here for illustrations, and here for the monomerous thalli.

RECENT FOSSIL

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from Woelkerling, 1988: Oxford University Press

from Braga & Aguirre, 1994: Rev. Palbot. Palynol., vol. 86

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Image shows a basal cell layer (arrows) growing parallel to the substrate (primigenous filaments = former hypothallus) from which the postigenous filaments (former perithallus) arise at right angles.
RECENT FOSSIL
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M
Sorry, no SEM-image
available
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Created by Michael.Rasser@univie.ac.at