An Illustrated and Cross-Referenced Glossary of
Malacological and Conchological Terms
|by Paul S. Mikkelsen|
One of the two simple or compound CALCAREOUS structures at the siphonal end of some wood-boring mollusks (such as SHIPWORMS), closing the burrow when the siphons are withdrawn.
Illustration: Teredo sp. (left = entire animal; center = pallets; right = shell)
|Copyright ©Paul S. Mikkelsen, All Rights Reserved||Return to Home Page | Return to Top||Over 1700 Terms in the Glossary!|