While touring the Natural History section of the  Arizona Historical Society Museum at Papago Park  (1300 N. College Ave, Tempe Arizona 8...

Back in 2010 I found a Devonian brachiopod fossil with a fibrous or needlelike mineral growth in it. I was trying to determine what th...

This picture shows a  Lithothamnium calcareous algae fossil. It was found in Cagliari Sardinia Italy. The fossil dates to the Quaternary...