Tetrad sp. Vavr.,1984
- Citations total:
- 2
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| original | Late Ordovician | Czechoslovakia | VavrdovЎ,M. Some plant microfossils of possible terrestrial origin from the Ordovician of Central Bohemia. | 1984 | |
| original | Nd | Nd | Strother,P.K. A classification Schema for the Cryptospores | 1991 |