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

COAXIAL MONOMEROUS THALLI

Click here for illustrations
Click here for the non-coaxial thalli, and here for the dimerous thalli

RECENT FOSSIL

T
H
I
N

S
E
C
T.


from Woelkerling, 1988: Oxford University Press.

T
H
I
N

S
E
C
T.

Image shows a broad coaxial core and thin peripheral filaments (arrow heads). Arrows mark apical cells.

Image shows broad coaxial core filaments which curve outward to form a broad peripheral zone.
RECENT FOSSIL
S
E
M

from Woelkerling, 1988: Oxford University Press.
S
E
M
In opposite to the Recent example, the original cell walls of the fossil SEM-sample are leached and cell lumina are filled by sparry calcite.

Created by Michael.Rasser@univie.ac.at