Valvisisporites triturgidus
- Citations total:
- 2
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| details | Westphalian B | W.Germany(N.Rhine) | Loose,F. Spores of the Bismarck Seam, Ruhr area. | 1934 | |
| details | Nd | Nd | Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. | 1944 |