from The Century Dictionary and Cyclopedia
- In Cuvier's system of classification, the fourth family of his testaceous acephals, approximately corresponding to the modern family Cardiidæ.
- A superfamily of bivalve mollusks, formed for the families Cardiidæ, Adacnidæ, Veniliidæ, and Glossidæ.
- A suborder of Eulamellibranchiata, having the gills much folded, foot cylindric and more or less elongate, and siphons generally lacking. It contains the families Cardiidæ, Tridacnidæ, Chamidæ, and others.
Sorry, no etymologies found.