Acta Palaeontologica Polonica

Algal nature of the Ordovician presumed polychaete eggs

Piotr Mierzejewski

Acta Palaeontologica Polonica 36 (1), 1991: 83-86

An enigmatic Ordovician organic microfossil, previously interpreted as polychaete eggs accumulation. Are examined with TEM methods and reinterpreted as presumably blue-green algae rests.

Key words: organic microfossil, Cyanophyta, Polychaeta, ultrastructure, Ordovician, glacial boulders.

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