Form-4 sp
- Citations total:
- 2
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Geolocation
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Author - title
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Year
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| original | Givetian | Early Frasnian | Saudi Arabia | Hemer,D.O. et al. Devonian palynology of Saudi Arabia. | 1967 |
| details | Sinian | China(SW.China) | Yin,L. et al. Pre-Cambrian microfloras of Southwest China, with reference to their stratigraphical significance. | 1978 |