mantle
Protective layer of epidermis in molluscs from which the shell is secreted in many species.
Ichthyological terms, not general ones.
Protective layer of epidermis in molluscs from which the shell is secreted in many species.
Large, highly diverse invertebrate phylum. Members are difficult to define but generally possess a soft, unsegmented body, and often a shell or shell-like structure secreted by a mantle. Includes all bivalves, cephalopods, and gastropods.