Valvisisporites membranaceus
- Citations total:
- 3
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| details | Toarcian | Aalenian | Worldwide | Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. | 1989 |
| original | Late Liassic | Early Dogger | France(Pas-de-Calais) | Danze,J. et al. Palynological study of a Clay found at the Lias-Dogger Boundry in a drilling at Boulogne-sur-Mer. | 1963 |
| details | Toarcian | Aalenian | France | Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores | 1990 |