Here is the 3D scan of Douvilleiceras gr. mammillatum, an ammonite from the Cretaceous (more precisely from the Albian).
If you want to know more about this species: https://ammonipedia.miraheze.org/wiki/Douvilleiceras_gr._mammillatum_(SCHLOTHEIM,_1813)
Done using MakerWorld-AI Scanner (https://makerworld.com/makerlab/ai-scanner)
The author marked this model as their own original creation.