Pachytheca
- Citations total:
- 2
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Author - title
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| details | Early Emsian | Scotland(Caithness) | Collins,A.G. et al. The age of two Old Red Sandstone sequences in southern Caithness. | 1977 | |
| details | Paleogene | Neogene | Poland | Grabowska,I. Flora of the Palaeogene and the Neogene. (In: Catalogue of Fossil. Part 3A. Cainozoic, Tertiary. J.Czerminski, editor) | 1977 |