Author:
Paalits,I.
Year:
1990
Title:
Biostratigraphy: Acritarchs
Reference:
Paalits,I. (1990) Biostratigraphy: Acritarchs Institute of Geology, Estonian Academy of Science Field Meeting Estonia 1990, Excursion Guidebook P. 101- 101
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Genus Species Country(Region) From To
Acanthodiacrodium Acanthodiacrodium Estonia Late Tremadocian Early Arenigian
Arbusculidium Arbusculidium Estonia Late Tremadocian Early Arenigian
Baltisphaeridium Baltisphaeridium Estonia Middle Ordovician Late Ordovician
Cymatiogalea Cymatiogalea Estonia Late Tremadocian Early Arenigian
Dasydiacrodium Dasydiacrodium Estonia Late Tremadocian Early Arenigian
Diexallophasis Diexallophasis Estonia Late Ordovician
Goniosphaeridium Goniosphaeridium Estonia Late Cambrian Late Ordovician
Goniosphaeridium Goniosphaeridium Estonia Late Ordovician
Leiosphaeridia Leiosphaeridia tenuissima Estonia Middle Ordovician Late Ordovician
Lophosphaeridium Lophosphaeridium zaleskyi Estonia Middle Ordovician Late Ordovician
Micrhystridium Micrhystridium Estonia Late Ordovician
Multiplicisphaeridium Multiplicisphaeridium Estonia Late Ordovician
Orthosphaeridium Orthosphaeridium Estonia Late Ordovician
Peteinosphaeridium Peteinosphaeridium Estonia Middle Ordovician Late Ordovician
Stelliferidium Stelliferidium Estonia Late Tremadocian Early Arenigian
Veryhachium Veryhachium Estonia Late Ordovician
Vulcanisphaera Vulcanisphaera Estonia Late Cambrian Early Arenigian