| A bivalve is characterized by possessing two shells secreted by a mantle that extends in a sheet on either side of the body. |
| Mactridae, also known as surf or trough shells or duck clams, is a family of marine bivalve clams of the order Veneroida. |
| The hinge ligament of bivalve shell is an example of a complex development. |
| Now explain how a univalve differs from a bivalve, in more ways than just the number of shells. |
| The smaller waders will feed on the bivalve molluscs and the little worms and that that are actually in the mud and sand. |
| Ours, however, is closed along the plane of bilateral symmetry, resembling the two closed valves of a bivalve rather than being flattened. |
