Definition of tusk shell in English:
Another term for tooth shell.
- The Scaphopoda are a distinctive group of molluscs commonly known as the ‘tusk shells’ because their shells are conical and slightly curved to the dorsal side, making the shells look like tiny tusks.
- There are approximately 900 species of Scaphopoda, commonly called tusk shells.
- In bivalves, chitons, tusk shells and some snails, sperm and eggs are released into the water and fertilisation is external.
Definition of tusk shell in:
- British & World English dictionary
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