- Having or creating a shell.
- Having a shell (used particularly of bivalve molluscs)
- Containing shells
- Producing or having shells.
- Provided with a shell, as a mollusk; testaceous.
- related to or getting the characters regarding the Conchifera; bivalve, as a mollusk; lamellibranchiate.
- Bearing or containing shells: since, “conchiferous deposits,”