Author:
Uutela,A.;Tynni,R.
Year:
1991
Title:
Ordovician acritarchs from the Rapla borehole, Estonia
Reference:
Uutela,A. et al. (1991) Ordovician acritarchs from the Rapla borehole, Estonia Geological Survey of Finland, Bulletin # 353 P. 1- 135
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Genus Species Country(Region) From To
Baltisphaeridium Baltisphaeridium pseudocalicispinum USSR(Estonian SSR) Late Arenigian Early Llandoverian
Baltisphaeridium Baltisphaeridium pustulatum USSR(Estonian SSR) Late Llanvirnian Early Ashgillian
Baltisphaeridium Baltisphaeridium ramiferum USSR(Estonian SSR) Late Caradocian Early Ashgillian
Baltisphaeridium Baltisphaeridium ramiferum sp. nov. USSR(Estonian SSR) Early Ashgillian
Baltisphaeridium Baltisphaeridium sp. Uute.& Tynn.,1991 sp. nov. USSR(Estonian SSR) Late Arenigian Early Llanvirnian
Baltisphaeridium Baltisphaeridium trabeculaespinae USSR(Estonian SSR) Caradocian Middle Ashgillian
Baltisphaeridium Baltisphaeridium tranvikense USSR(Estonian SSR) Late Arenigian Early Llandeilian
Baltisphaeridium Baltisphaeridium trichophorum USSR(Estonian SSR) Late Arenigian Early Caradocian
Baltisphaeridium Baltisphaeridium trophirhapium USSR(Estonian SSR) Late Llandeilian Middle Caradocian
Baltisphaeridium Baltisphaeridium verrucatum USSR(Estonian SSR) Late Arenigian Early Caradocian
Baltisphaerosum Baltisphaerosum dispar USSR(Estonian SSR) Middle Ordovician Late Ordovician
Baltisphaerosum Baltisphaerosum onniense USSR(Estonian SSR) Late Llanvirnian
Buedingiisphaeridium Buedingiisphaeridium balticum USSR(Estonian SSR) Late Arenigian Ashgillian
Buedingiisphaeridium Buedingiisphaeridium balticum sp. nov. USSR(Estonian SSR) Early Ashgillian
Buedingiisphaeridium Buedingiisphaeridium guttiferum USSR(Estonian SSR) Middle Caradocian Middle Ashgillian
Buedingiisphaeridium Buedingiisphaeridium guttiferum sp. nov. USSR(Estonian SSR) Late Caradocian
Cheleutochroa Cheleutochroa diaphorosa USSR(Estonian SSR) Middle Caradocian