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
Acanthodiacrodium Acanthodiacrodium bimorphispinae sp. nov. Finland Middle Ordovician
Acanthodiacrodium Acanthodiacrodium heterospinosum sp. nov. Finland Middle Ordovician
Ancyrochitina Ancyrochitina ancyrea Finland Middle Ordovician
Ancyrochitina Ancyrochitina sp Finland Middle Ordovician
Ancyrochitina Ancyrochitina sp Finland Middle Ordovician
Angochitina Angochitina Finland Middle Ordovician
Archaeohystrichosphaeridium Archaeohystrichosphaeridium pellicidum Finland Middle Ordovician
Aremoricanium Aremoricanium sp Finland Middle Ordovician
Baltisphaera Baltisphaera ternata Finland Middle Ordovician
Baltisphaeridium Baltisphaeridium brevifilicum Finland Middle Ordovician
Baltisphaeridium Baltisphaeridium brevispinosum Finland Middle Ordovician
Baltisphaeridium Baltisphaeridium calicispinae Finland Middle Ordovician
Baltisphaeridium Baltisphaeridium cognitum Finland Middle Ordovician
Baltisphaeridium Baltisphaeridium echinatum Finland Middle Ordovician
Baltisphaeridium Baltisphaeridium filosum Finland Middle Ordovician
Baltisphaeridium Baltisphaeridium globosum sp. nov. Finland Middle Ordovician
Baltisphaeridium Baltisphaeridium hirsutoides Finland Middle Ordovician