DES ARCHES VIVANTES ET FOSSILES. 



ARCA, Linne. 



Syn. CONCHA, Columna, 1616. 

 ANOMALOCARDIA , 



MACTBA, Klein, 1755. 



PARALLELIPIPEDUM, 

 ARCA, Linne", 1758. 

 AHYGDALCM, Chemn., 1784. 



AXINODERMA , ? \ 



DAPHNE, | Poli, 1795. 



DAPHNODERMA, 

 COCULL^EA, Lamk., 1801. 

 ARCITES, Martin, 1809. 

 POLYODONTA, Megerle, 1811. 

 TBISIS, Oken, 1815. 

 MYTULITES, Schloth , 1816. 

 ARCACITES, Schloth, 1820. 

 CYPHOXIS, Rafm,1820? 



Blainv., 1825. 



Gray, 1840. 



Syn. NAVICULA , 



RlIOMBOIDES, 



BVSSOARCA, Sowerby, 1855. 

 SCAPHULA, Benson, 1854. 

 ARGINA , 

 BARBATIA , 

 LDNARIA , 



LlTHARCA, 



SENILIA, 



SCAPIIURA, 



ISOARCA, Munster, 1845. 



CRENELLA, ) 



M'Coy, 1844. 



UOLABRA , 



PLEUROPHORUS, King, 1844. 



ANADARA, 



SCAPIIAREA , 



Gray, 1847? 



