Noun: polyplacophore
- Primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates
"The polyplacophore clung tightly to the rock face";
- chiton, coat-of-mail shell, sea cradle
Derived forms: polyplacophores
Type of: mollusc, mollusk [N. Amer], shellfish
Part of: genus Chiton