Madagascar Cleoniceras ammonite fossil for sale! These bisected ammonites date back to the Cretaceous period and were found in Madagascar! Though they are more closely related to coleoids (squid, octopus, etc), these extinct critters resemble the modern day nautilus - their shells are also filled with spiralling chambers that aided in controlling their buoyancy. 

It measures 5.25" diameter and COMES WITH STAND.

These specimens can be shipped worldwide!