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Paleobotany 4 Caytoniales 2 Equisetales, Fossil 2 Hydropterangium 2 Sagenopteris 2 Schweden 2
Paleobotany 4 Caytoniales 2 Equisetales, Fossil 2 Hydropterangium 2 Sagenopteris 2 Schweden 2
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