Polished Sutured Ammonite - SOLD 4.33" Cleoniceras jewelry_shared but recent studies suggest that

but recent studies suggest that some species

New science suggests this is a case of convergent evolution rather than familial relation

some specimens will have black seams while others will be completely white

Above: Extra Large and Large Polished Megalodon Teeth in Hand

Discovery had a long career spanning nearly three decades from 1984 to 2011

Polished Sutured Ammonite - SOLD 4.33" Cleoniceras jewelry_shared but recent studies suggest thatAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 33" 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.