Ancyrospora logani
- Citations total:
- 2
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| details | Late Emsian | Middle Eifelian | Canada(Quebec) | McGregor,D.C. Lower and Middle Devonian spores of eastern Gaspe, Canada.11.Biostratigraphy. | 1977 |
| details | Givetian | France(Boulonnais) | Brice,D. et al. New biostratigraphic data on the Givetian and Frasnian of Ferques (Boulonnais, France). | 1979 |