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Link #fossil #fossils #annularia #geology #coal city #illinois #mazon creek #lagerstätte #scientist #fossilfriday #paleozoic #the earth story
![fossilera:3.1" Annularia Fern Fossil (Pos/Neg) - Mazon CreekThis is a nicely defined fossil fro](https://64.media.tumblr.com/82ef49e6d122e5673273735787808527/tumblr_pse6h9BlWb1t2k0z9o1_1280.jpg "fossilera:3.1" Annularia Fern Fossil (Pos/Neg) - Mazon CreekThis is a nicely defined fossil fro")