Author:
Tynni,R.
Year:
1975
Title:
Ordovician hystrichospheres and chitinozoans in limestone from the Bothnian Sea.
Reference:
Tynni,R. (1975) Ordovician hystrichospheres and chitinozoans in limestone from the Bothnian Sea. Geological Survey of Finland, Bulletin # 279 P. 5- 59
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Genus Species Country(Region) From To
Leiosphaeridia Leiosphaeridia laevigata Finland Middle Ordovician
Leiosphaeridia Leiosphaeridia microcystis Finland Middle Ordovician
Leiosphaeridia Leiosphaeridia sp Finland Middle Ordovician
Leiovalia Leiovalia navicula Finland Middle Ordovician
Leiovalia Leiovalia similis Finland Middle Ordovician
Leiovalia Leiovalia similis sp. nov. Finland Middle Ordovician
Lophodiacrodium Lophodiacrodium sp Finland Middle Ordovician
Lophosphaeridium Lophosphaeridium citrinipeltatum Finland Middle Ordovician
Lophosphaeridium Lophosphaeridium citrinum Finland Middle Ordovician
Lophosphaeridium Lophosphaeridium parverarum Finland Middle Ordovician
Lophosphaeridium Lophosphaeridium sp Finland Middle Ordovician
Micrhystridium Micrhystridium acum Finland Middle Ordovician
Micrhystridium Micrhystridium alloiteauii Finland Middle Ordovician
Micrhystridium Micrhystridium areolatum Finland Middle Ordovician
Micrhystridium Micrhystridium campoae Finland Middle Ordovician
Micrhystridium Micrhystridium nannacanthum Finland Middle Ordovician
Micrhystridium Micrhystridium parveroquesii Finland Middle Ordovician