Author:
Jacobson,S.R.
Year:
1977
Title:
Middle and Upper Ordovician acritarchs, Eastern Midcontinent, USA.
Reference:
Jacobson,S.R. (1977) Middle and Upper Ordovician acritarchs, Eastern Midcontinent, USA. Coloquio International Palinologia,(Leon,Spain,Sept.1977),Abstracts P. 21- 21
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Genus Species Country(Region) From To
Acanthodiacrodium Acanthodiacrodium New York Middle Ordovician Late Ordovician
Acanthodiacrodium Acanthodiacrodium Ohio Middle Ordovician Late Ordovician
Anomaloplaisium Anomaloplaisium New York Middle Ordovician Late Ordovician
Anomaloplaisium Anomaloplaisium Ohio Middle Ordovician Late Ordovician
Aremoricanium Aremoricanium New York Middle Ordovician Late Ordovician
Aremoricanium Aremoricanium Ohio Middle Ordovician Late Ordovician
Baltisphaeridium Baltisphaeridium New York Middle Ordovician Late Ordovician
Baltisphaeridium Baltisphaeridium Ohio Middle Ordovician Late Ordovician
Dicommopalla Dicommopalla New York Middle Ordovician Late Ordovician
Dicommopalla Dicommopalla Ohio Middle Ordovician Late Ordovician
Leiosphaeridia Leiosphaeridia New York Middle Ordovician Late Ordovician
Leiosphaeridia Leiosphaeridia Ohio Middle Ordovician Late Ordovician
Leiosphaeridium Leiosphaeridium New York Middle Ordovician Late Ordovician
Leiosphaeridium Leiosphaeridium Ohio Middle Ordovician Late Ordovician
Leiovalia Leiovalia New York Middle Ordovician Late Ordovician
Leiovalia Leiovalia Ohio Middle Ordovician Late Ordovician
Micrhystridium Micrhystridium New York Middle Ordovician Late Ordovician