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From
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To
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Geolocation
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Author - title
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Year
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| details | Early Gothlandian | Brazil(Para) | da Costa,N.M. Silurian chitinozoa of Igarape Da Rainha, State of Para | 1971 | |
| details | Devonian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |