This is the shell of a Turban Snail or *Turbinidae*. Their shells are strong and thick, providing a form of passive defense that differentiates the turban snail from other, similiar sea snails. The scientific name is a reference to the Latin term for a spinning top: "turbo".
More info here: https://en.wikipedia.org/wiki/Turbinidae
Accession number: 84.19
Captured with Artec Spider 3D Scanner https://www.artec3d.com/portable-3d-scanners/artec-spider-v2