This Specimen has been sold.
Large 8 Inch Ammonite - Great Display
Here is a large Jurassic aged ammonite fossil from Madagascar. It's approximately 8 inches wide, 3 inches thick and weights over 5 pounds. It has been lightly polished and displays very well.
Ammonites were predatory mollusks that resembled a squid with a shell. These cephalopods had eyes, tentacles, and spiral shells. They are more closely related to a living octopus, though the shells resemble that of a nautilus. Ammonites appeared in the fossil record about 240 million years ago and they barely survived several major extinction events. The last lineages disappeared 65 million years ago at the end of the Cretaceous.