New York Metropolitan Region and New Jersey
Freshwater Mussel Identification Handbook

Generalized Body Plan 
Detailed descriptions and images can be viewed 
at the links provided below

 

    
Shell Dimensions


    
  


    
Anterior  and  Posterior    Length,  Width,  Height,  Profile,  Silhouette

     
 

    
Shell Features 

    
 

    
Posterior Ridge and Slope   Color Ray   Growth Lines   Beak, or Umbos


     
 

    
Teeth 


    
 

    
Hinge Teeth 



    
View any Feature
Anterior and Posterior    Beak and Beak Sculpture   Color Ray
Growth Lines   Length, Width, Height, Profile, Silhouette    Hinge Teeth 
Posterior Ridge and Slope   Shell Shape