Protopinus cyclocorpus
- Citations total:
- 2
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| original | Late Permian | Early Triassic | China(Yunnan) | Ouyang,S. Palynology of Upper Permian and Lower Triassic strata of Fuyuan District, Eastern Yunnan. | 1985 |
| details | Griesbachian | China(Zeijing) | Ouyang,S. et al. Palynology of Upper Permian and Lower Triassic Rocks, Meishan, Changxing County, Zhejiang Province, China. | 1990 |