Looking for ideas about the affinities of this microfossil (two different views of one specimen):
We are thinking either a sponge or an alga (or a microproblematicum often considered to be an alga). Lower Carboniferous of Alabama, thin section photomicrographs.
Any ideas will be gratefully received!
Update
An educated opinion has been offered, that the mystery critter is a blue-green alga (cyanobacterium), probably related to Pseudohedstroemia. Cyanobacteria were important co-constructors of mounds and reefs throughout the Paleozoic and beyond.
1 comment:
Cayeuxia.
Chlorophycaean or cyanophycaean, sometimes alternatively by the same author.
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