UCMP MYSTERY FOSSIL #27 is . . .
Parka decipiens


Mystery Fossil #27
Parka decipiens is believed to be the only known fossil of the freshwater green algae, the Coleochaetales. The Coleochaetales is a small order, having only two living genera with 15 species. The fossils of Parka decipiens are found in Upper Silurian to Lower Devonian rocks, meaning that they were around when the first land plants began to appear. Find out more about this unusual group of organisms here.
 

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