Having two valves because the oyster many seed pods bivalve
- used of mollusks having two shells (as clams etc.)
- Having two valves, given that oyster plus some seed pods; bivalve.
(a.) Having two valves, given that oyster and some seed pods; bivalve.
Though the exterior is more uniform than in most groups of Crustacea, the bivalved shell or carapace may be strongly calcified and diversely sculptured (fig.