Ammonite Fossils
Ammonites were amazing sea creatures related to today's squid and octopus. They were one of the most successful animals of all time. As a group they roamed all of the earth's oceans for over 350 million years. During that time they thrived in huge numbers and thousands of different species.
What is An Ammonite?
Ammonites belong to the class of animals called cephalopods and form the sub-class Ammonoidea that appeared in the fossil record during the Devonian Era. They are related to squid and octopus. The nautilus is their closest living relative.
Where Can You Find Ammonite Fossils?
Some of our ammonite fossils for sale have been polished or split in half to reveal the inner chambers filled with an infinite variety of colors, designs and even crystal formations.
The pyritized ammonites that come from eastern Europe and Russia look as if sculpted from silvery minerals aligned along the septa with crystal caverns in between.
The large display ammonites from Morocco are impressive for their shear size and of course the price. They're all so wonderful, you may have trouble choosing which to look at first. The ammonites we have for sale have so many remarkable qualities. Each variety and species reads like a travelogue of ancient oceans. Their widespread presence and diversity of spiecies make ammonites useful in dating rock layers. Click on one of the sub-catagories listed below to find the ammonite for you.
Ammonite Size
Ammonites range in size: some as small as a centimeter have been discovered while others as large as 2 meters in diameter.
Ammonite Time Period & Extinction
Ammonites first show up in the fossil record during the Devonian Period. They were a wildly successful animal, plentiful and diverse. Some ammonites were just a few milimeters across. The largest species could be over a meter across! The ammonites became extinct 65 million years ago during the great extinction at the end of the Cretaceous Period. You can learn more about ammonites here.
