any mollusk of the class Pelecypoda, characterized by a bivalve shell enclosing the headless body and lamellate gills, comprising the oysters, clams, mussels, and scallops.
adj. 形容词 adjective
Also pel·e·cyp·o·dous[pel-uh-sip-uh-duhs]. /ˌpɛl əˈsɪp ə dəs/. belonging or pertaining to the Pelecypoda.
更多pelecypod例句
Excepting in a few families, the pelecypod foot is well developed.
In many respects this is the most distinguished pelecypod family.
When a pelecypod dies and the pull of the adductor muscles is released, the valves gape open.
The greatest possible degree of variation exists in the structure of the pelecypod shell.
The accompanying cut shows Mytilus edulis, a common east-coast pelecypod, attached by its byssus to a piece of wood.