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Geolocation
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Author - title
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Year
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| details | Tremadocian | Austria | Reitz,E. et al. Palynological evidence for Lower Ordovician rocks (Tremadoc and Arenig) in the northern Greywacke zone (Eastern Alps) | 1992 | |
| details | Tremadocian | Austria | Reitz,E. et al. Biostratigraphic evidence of Lower Ordovician in the Innsbruck Quartzphyullite Group (Eastern Alps) | 1990 | |
| details | Tremadocian | Austria | Reitz,E. et al. Lower Ordovician acritarchs of the northern Graywacke Zone, (Eastern Alps). | 1989 |