5" Goniatite Ammonite Fossil Polished Morocco Devonian Age COA Nigricans While exceptional specimens like those

While exceptional specimens like those from Madagascar often measure substantial dimensions—such as weights exceeding 15 kilograms and diameters spanning nearly centimeters—other species like Douvilleiceras inaequinodum typically reach diameters of about 8 to 10 cm

its fossils have been found in ancient seabeds in North America

with a pronounced forehead

revealing fresh specimens

5" Goniatite Ammonite Fossil Polished Morocco Devonian Age COA Nigricans While exceptional specimens like thoseLocation: Morocco Weight: 12. 4 Ounces Dimensions: 5 Inches Long, 4. 2 Inches Wide, 0. 7 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Devonian Age, 370 million years old. Goniatite Ammonite Ammonoids were marine cephalopods that thrived from the Devonian to the Cretaceous periods. Their name derives from the distinctive "rams horn" shape of their shells, linked to the Egyptian god Amun, who was