These pictures are of a Devonian Period clam called Modiomorpha concentrica  (Conrad, 1838).  It was found in Clark County, Indiana USA in t...

This is a rostroconch and is probably a Hippocardia cuneus (Conrad, 1840). It was found in the Louisville Limestone in Jefferson County, K...

Here are some more pictures of fossils from southeastern Australia. A visitor to this site named Bill sent them to me. If I had to guess, ...