3.6" Triassic Agatized Ammonite Cluster - Indonesia

This is a rare, 3.6" wide fossil ammonite cluster that was collected from Noe Bihati, Timor, Indonesia. These ammonites are Lower Triassic, Olenekian Stage which is roughly 247 million years old. The base of the rock has been cut flat and one edge works for presentation as well.

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.

What an ammonite would have looked like while alive.
What an ammonite would have looked like while alive.
Unidentified Ammonites
Noe Bihati, Timor, Indonesia
3.6 x 2.5"
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