Polished Red Flash Ammonite Fossil Association- Madagascar

Madagascar

A variety of Ammonite fossils found connected together have been polished to a high shine, showing off the bright-red iridescence that can be seen at various angles on the extinct mollusks' shells. 

Ammonites were predatory cephalopod mollusks that resembled squids with spiral shells. They are more closely related to living octopuses, though their shells resemble that of nautilus species. True ammonites appeared in the fossil record about 240 million years ago during the Triassic Period. The last lineages disappeared 65 million years ago at the end of the Cretaceous.