Polished Sutured Ammonite - SOLD 4.58" Cleoniceras rockinaboxfordite Some specimens have been recorded

Some specimens have been recorded to grow up to 20 feet long and weigh over 5

These mineral patterns call to mind an image of a star-filled night sky

As fossilization occurs over a very long timespan

The White House

7 inches (12 cm) in diameter

Polished Sutured Ammonite - SOLD 4.58" Cleoniceras rockinaboxfordite Some specimens have been recordedAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 58" polished Cleoniceras fossil from Madagascar. This particular genus of ammonite had beautiful suture patterns that cross their shells like feathered jigsaw pieces and make fantastic display pieces. A stand and informational card is included with each fossil.