Family Ostreidae 



Crassostrea virginiaa 

 Ostrea edulis 



Family Pectinidae 



Chtamys islandica 

 Peoten groenlandicus 

 Plaoopeoten magellaniaus 



Family Anomiidae 



Anomia aouleata 

 Anomia simplex 

 Subclass Teleodesmata 

 Order Heterodontida 



Family Astartidae 

 Astarte sp. 

 Astapte horeatis 

 Astarte oastanea 

 Astarte etliptica 

 Astarte montagui 

 Astarte portlandioa 

 Astarte quadrans 

 Astarte subaequilatera 

 Astarte undata 



Family Carditidae 



Cyaloaardia borealis 

 Cyalooardia novangliae 



Regions 

 12 3 4 5 6 



X X 



X 



X + X XX 



M 



X 



XXX 



+ 



XXX 

 XXX 



X X X X X X X 



+ + + 



4-E-39 



i 



