1.5" Iridescent Ammonite (Quenstedticeras) Fossil With Pyrite

This is an absolutely gorgeous, Quenstedticeras ammonite fossil from the Saratov Region of Russia. These ammonites are Middle Jurassic (Upper Callovian Stage) or approximately 161-164 million years old. You can feel the weight during the internal pyritization of the fossil, and the shell has a beautiful iridescence to it.

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.

What an ammonite would have looked like while alive.
What an ammonite would have looked like while alive.
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DETAILS
SPECIES
Quenstedticeras sp.
LOCATION
Dubki Clay Quarry, Saratov, Russia
SIZE
1.5" wide
CATEGORY
SUB CATEGORY
ITEM
#78496
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