This Specimen has been sold.
3.45" Jurassic Ammonite (Macrocephalites?) Fossil - Dorset, England
This is a 3.45" wide fossil ammonite (Macrocephalites sp.?) That was collected from the Jurassic - Callovian of Dorset, England. Comes with an acrylic display stand.
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. True ammonites appeared in the fossil record about 240 million years ago. The last lineages disappeared 65 million years ago at the end of the Cretaceous.