143 



Syn. Micromya Agas. 



6. Sect. Obovaria Rfq. 



Syn. Rhipidodonta Mörch. 



7. Sect. Lampsilis Rfq. 



Syn. Truucilla Rfq. 

 „ Pleurobema Rfq. 

 „ Syntoxia Rfq. 

 „ Scalenaria Rfq. 

 „ Plagiola Rfq. 

 „ Crenodonta Schlüter. 

 „ Aeglia Sw. 



8. Sect. Canthyria Sw. 



9. „ Iridea Sw. 



Syn. Tritogenia Agas. 

 „ Orthonymus Agas. 



10. Sect. Rotundaria Rfq. 



Syn. Cyprogenia Agas. 



11. Sect. Quadrula Rfq. 



Syn. Theliderma Sw. 



12. Sect. Diplodon Spix. 



Syn. Ciicuinaria Conr. 

 „ Naja Sw. 



13. Sect. Dysonomia Agas. 



14. „ Metaptcra Rfq. 

 Syn. Proptera Rfq. 



„ Lymnadia Sw. 



„ Megadomus Sw. 

 7 abacus Hldm. Ad. Gen. 2 p. 495. 



Abevillensis Lea. Carol. mer. Grass. Ind. Test. 



abortivus Heude. China. Pet. J. 1883 p. 201. 



ahruptus Say. ist ligamentinus Lm. 



Abyssinicus Mrts. Abyss, Jick. Moll. Afr. 278. 



Acarnanicus Kob. Graecia. Pet. J. 1879 p. 330. 



7 accuens Lea. Tenessee. 



actephilas Brgt. Helvct. Kob. Cat. p. 159 



acuminatus H. Ad. Afric. l'roc. 1866 p. 376. 



12 acutissimus Lea. Alabani. 



