| 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 | Givetian | Frasnian | Canada(Arctic) | Chi,B.I. et al. Biostratigraphy and taxonomy of Devonian Imegaspores, Arctic, Canada. | 1976 |
| details | Middle Devonian | Ghana | Bar,P. et al. Microflora from the Paleozoic series of Ghana (West Africa), and their paleofloristic relations. | 1974 | |
| details | Early Frasnian | Australia(W.Australia) | Balme,B.E. Miospores from Late Devonian (Early Frasnian) strata, Carnarvon Basin, Western Australia. | 1988 |