This series of pictures shows an Entelophyllum (Wedekind, 1927) coral found in the Louisville Limestone of Jefferson County, Kentucky. U...

Last week, I visited the interpretive center at the Falls of the Ohio State Park in Clarksville, Indiana located across the Ohio River f...

Arucaria mirabilis fossil "seedlings" (lignotubers) found in the petrified forest formation of Cerro Madre Ehija, Santa Cruz p...