Scaphopoda (tusk shell) Labelled

 
Water
 
 
 
   
   
Sea bed
Sea bed
 
 
 
gonad
 
 
excretatory organ

Digestive gland

 

Anus

 

Shell
 
 

 

   
   
   
   
Feeding tentacles (Captacula)

Mantle

 

Mouth
Foot