506 



MOLLUSCA 



PHYLUM VI 



Families. 



a 

 o 

 .a 



CM 



H 



;3 



o 



Order 3. Teleodesmacea 



A. Pantodonta 



1. Allodesmidae . 



B. DiOGENODONTA 



Superfamily 1. Cypricardiacca 



2. Pleurophoridae 

 Superfamily 2. Astartacea 



3. Curtonotidae . 



4. Astartidae 



5. Crassatellitidae 



Superfamily 3. Cyrenacca 



6. Gyreuidae 



7. Spliaeriidae . 



Superfamily 4. Carditacea 



8. Carditidae 



Superfamily 5. Chamacea 



9. Diceratidae 



10. Chamidae 



11. Monopleuridae 



12. Caprinidae 



Superfamily 6. Eudistacca 



13. Radiolitidae . 



14. Hippuritidae . 



Superfamily 7. Lucmacea 



15. Tancrediidae . 



16. Unicardiidae . 



17. Lucinidae 



18. Corbidae 



19. Diplodontidae 



20. Cyrenellidae . 



21. Tliyasiridae . 



Superfamily 8. Leptonacca 



22. Leptonidae 



23. Galeommatidae 



24. Chlamydoconcliidae 



25. Kelliellidae . 

 C. Cyolodonta 



Superfamily 9. Cardiacea 



26. Cardiidae 



27. Limnocai'diidae 



Superfamily 10. Tridacnacea 



28. Tridacnidae . 



