| link
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From
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To
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Geolocation
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Author - title
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Year
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|---|---|---|---|---|---|
| details | Frasnian | W.Germany(N.Rhine) | Amirie,G.H.B. Phytoplankton of the Frasnian of Bergisch Syncline of the North Rhineland | 1984 | |
| details | Early Givetian | Early Famennian | North America | Wicander,R. Middle Devonian acritarch biostratigraphy of North America | 1984 |
| details | Late Devonian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |