Having unequal valves, given that layer of an oyster.
Any bivalve mollusc whose valves are various sizes.
In conchology, having unequal valves, as a bivalve mollusk; having one of many valves bigger than the other: applied both to lamelli-branch bivalves, when the valves are lateral, and to brachiopods, where valves are a dorsal and a ventral one.
Sentence for "inequivalve"
Subcordate inequivalve ventricose; elongated and only…