— 175 — 



Cardiaeea Lamck. contin. 



Cypricardia , Isocardia, Cardium. (Conf. ibid. II. 

 p. 193.) 



Pariter Agassiz 1839. Moul. de Moll. p. 35. 

 Nyst 1846. Coq. foss. Belg. 

 A^TOiv 1839. Yerz p. 10. — nona familia Elatobran- 



chioruni. Genera : Cnathodon, Isocardia, Cypri- 



cardia, Opis, Cardita, Cardium. 

 Reeve 1841. Conch. syst. I. p. 96. — nona fam. 



Tropiopodum bimusculosorum. Genera : Cardium, 



Isocardia, Cardita , Cypricardia. 

 G. B. Sow. jun. 1842. Conch. Man. ed. 2a p. 95. — 



Genera : Cardium, Venericardia (vel Cardita), 



Hip])Opodium, Megalodon, Isocardia, Cardib'a, 



Hippagus, Cypricardia (ib. p. 143), Pachymya 



(ib. p. 297), Pleurorhynchus (ib. p. 311.) 

 Covfer. Cardiadea Lamck. olim. 



Cardia Feruss. 



Cardiadae Flem. 



Cardidae D'Orb. 



Cardiidae Brod. 



Cardiina Macgill. 

 Cardiacea Cuvier 1817. Regn. anim. * 



Acephalorum testaceorum familia quarta. Genera: 



Cardium, Chama, Donax, Cyclas, Corbis, Tellina, 



Loripes, Lucina, Venus, Corbula, Mactra. 

 Ferlssac 1821. Tabl. syst. p. XLIII. — quartus ordo 



Lamellibranchiatorum. Familiae: Chamacea, Car- 



dia, Cyclades, Nymphacea, Veneres, Lithophaga, 



Mactracea. 

 Similiter 3Ienke vid. infra. 



ScnwEiGG. 1820. Naturgsch. p. 702. — 2da familia 

 Acephalorum testaccorum. 



a) ligamento interno. Genera: Clotho, Mactra, 

 Erycina, Ungulina, Corbula, Petricola. 



b) ligamento extcrno. Genera: Capsa, Venus, 

 Lucina, Psammobia, Loripes, Tellina, Corbis, 



