Valvisisporites trigonappendix
- Citations total:
- 3
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Geolocation
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Author - title
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| original | Westphalian B | W.Germany(N.Rhine) | Loose,F. Spores of the Bismarck Seam, Ruhr area. | 1934 | |
| details | Westphalian B | W.Germany(N.Rhine) | Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. | 1944 | |
| details | Late Westphalian B | W.Germany(N.Rhine) | Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 | 1956 |