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Geolocation
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Author - title
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Year
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| details | Nd | Nd | Stover,L.E. et al. Analyses of pre-Pleistocene organic-walled dinoflagellates. | 1978 | |
| details | Late Callovian | France(Normandie) | Sarjeant,W.A.S. et al. Cyclonephelium and Tenua: a problem in dinoflagellate cyst taxonomy. | 1978 |