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Siphonodentalium lobatum    
     
     

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Scaphopoda: Tusk Shells

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Within the mollusks, scaphopods are a small group; in the Arctic, only 2 species are known to occur. The shell of scaphopods is shaped like a (hollow) elephant tusk with both ends open.

Scaphopods usually live inside the sediment, head down. Water enters the tail end, stays in the mantle cavity for some 10 minutes and gets expelled through the same opening. Scaphopods use threadlike tentacles with little sticky knobs at their ends to collect tiny food particles such as foraminifera and young bivalves.

Page Author: Bodil Bluhm
Created: Oct 30, 2008

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