Spore type P4c
- Citations total:
- 2
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| original | Early Gondwana | Uruguay | Martinez-Macchiavello,J.C. Microsporomorph types contained in the Glacial Base of the Gondwana system of Uruguay | 1963 | |
| original | Late Artinskian | Congo | Kar,R.K. et al. Palaeozoic sporae dispersae from Congo. 3. Layers of black shale of the Lukuga. | 1967 |