Protopitys scotica
- Citations total:
- 4
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Author - title
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| details | Tournaisian | Scotland(Dunbarton) | Smith,D.L. Three furctifications from the Scottish Lower Carboniferous. | 1962 | |
| details | Early Carboniferous | Nd | Beck,C.B. Current status of the Progymnospermopsidia. | 1976 | |
| details | Early Carboniferous | Nd | Millay,M.A. et al. Paleozoic seed fern pollen organs. | 1979 | |
| details | Carboniferous | Scotland | Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. | 1995 |