Showing posts with label birdsong formation. Show all posts
Showing posts with label birdsong formation. Show all posts

Thursday, May 6, 2010

Aulopora schoharie Coral

Aulopora schoharie coral fossil of the Birdsong Formation found in Benton County, Tennessee.  It lived in the Lower Devonian Period.  Thanks to Herb for the image.

Wednesday, May 5, 2010

Lower Devonian Dalmanites Trilobite


Dalmanites trilobite fossil pygidium of the Birdsong Formation found in Benton County, Tennessee.  This trilobite existed in the Lower Devonian Period.  Thanks to Herb for the image.