Arkshell
Arkshell is a common name for several species of marine bivalve mollusks belonging to the family Arcidae. These clams are characterized by their equivalve and inequilateral shells, which are typically oval or rectangular in shape. The shells are often thick and ornamented with prominent radial ribs. Arkshells are found in marine environments worldwide, inhabiting sandy or muddy bottoms, often in shallow coastal waters. They are epifaunal, meaning they live on the surface of the seabed, sometimes partially buried.
The genus Arca is the most well-known within the family. Species such as Arca inflata and Arca