Author:
Bagdasaryan,L.L.
Year:
1969
Title:
Phytoplankton from the lower oil bearing formations of the Baltic States.
Reference:
Bagdasaryan,L.L. (1969) Phytoplankton from the lower oil bearing formations of the Baltic States. Fossil Algae of the USSR,(T.F.Vozzhennikova) P. 169- 173
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Genus Species Country(Region) From To
Trachysphaeridium Trachysphaeridium attenuatum USSR(Lithuanian SSR) Late Ordovician
Turuchanica Turuchanica ternata USSR(Lithuanian SSR) Late Ordovician
Veryhachium Veryhachium trisulcum USSR(Lithuanian SSR) Late Ordovician