Virtual Zoo: Mussel
Mussel is the common name used for members of several families of bivalve molluscs, from saltwater and freshwater habitats. These groups have in common a shell whose outline is elongated and asymmetrical compared with other edible clams, which are often more or less rounded or oval.
Lean more about mussels on Wikipedia
Haven Metrology has used their Nikon X-Ray & CT Scanner to acquire high resolution, water tight internal and external scan data of this organic specimen.