5 model

Free

Archaeopteryx fosile (scan)

Sketchfab

Free

Archaeopteryx skull

Thingiverse

Free

Archaeopteryx Fossil Slab - Hi3D vs SupaVoxel

Sketchfab

Free

Archaeoceratops skull

Thingiverse

Free

Archaeopteryx Dinosaur Fossil (flat backface)

Thingiverse