holyoutlaw: (Default)
holyoutlaw ([personal profile] holyoutlaw) wrote2010-07-15 04:57 pm
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Fodinichnia Trace Fossils

Fodinichnia Trace Fossils

These sinuous ridges in the sediment are trace fossils of a sediment feeder. The complex patterns indicate the sediment was poor in nutrients.

Salt Creek Recreation Area, Clallam County, WA
July, 2010
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