from The Century Dictionary and Cyclopedia
- A family of Pelecypoda with a cockle-like shell, external parivincular ligament, and fully developed hinge with long posterior cardinal tooth. The genera are all marine. They began their existence in the Triassic and have continued to the present.
- A family of bivalve mollusks of the order Evlamelli-branchiata.
Sorry, no etymologies found.