Acta Palaeontologica Polonica

Blue-green algae from the Tremadocian of the Holy Cross Mountains (Poland)

Karol Starmach

Acta Palaeontologica Polonica 08 (4), 1963: 451-460

Schizothrichites ordoviciensis n. gen., n. sp., a Tremadocian blue-green alga, with exceptionally well preserved microscopical structure is described. It was etched from the chalcedony of the Holy Cross Mountains. Its close similarity to recent genus Schizothrix (Cyanophyceae) is shown.

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