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Geolocation
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Author - title
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Year
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original | Ypresian | England(Isle of Wight) | Davey,R.J. et al. The genus Hystrichosphaeridium and its allies. (In: Studies on Mesozoic and Cainozoic Dinoflagellate Cysts. R.J.Davey, C.Downie, W.A.S.Sarjeant and G.L.Williams) | 1966 | |
details | Early Oligocene | Poland | Eisenack,A. Cordosphaeridium n.g., ex Hystrichosphaeridium, Hystrichosphaeridea | 1963 |