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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 | Eifelian | Givetian | Canada(Ontario) | Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. | 1983 |
| details | Early Emsian | France | Moreau-Benoit,A. et al. New palynostratigraphical data on the Armorican Lower Devonian | 1989 | |
| details | Early Devonian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |