Ammonite
This is a 3Dmodel and animations of Ammonite.
An ammonite model is consists of ammonite's body and ammonite's shell.
AmmoniteLOD0:4680tris
AmmoniteLOD1:1116tris
ammonite's shell
PeltocerasShellModelLOD0:12336
PeltocerasShellModelLOD1:2920
PeltoceratoidesShellModelLOD0:2208
PeltoceratoidesShellModelLOD1:540
Animation names are listed in the documentation.
The following blog post describes various usage methods:
https://eizouasobi.blogspot.com/2024/04/efficient-use-of-blender-assets.html