— 27 — 



Ala!^inl<lonta Rafix. 1820. Monogr. Biv. Ohio. * teste Dosh. 

 Enc. melh. 11. p. 13. 

 Etym. a privat.; elagfiia, lamina; odovg, dens. 



Hinc rectius A n el a s m o d o n t a. 

 Unicum genus Alasmidiorum. 



Blainv. 1825. Malae. p. 630. — subgenus Anodonlae. 

 = Margarilana Schum. 

 Alasmodon FLEauNG 1828. Brit. An. p. 417. 

 Etym. praeced. 

 Genus Unionidarum. 



PariterGRAYl840. in Turton Man. ed. 2a p. 293. 

 Sow. jun. 1839. Conch. Man. (ed. 2a p. 61.) — 



divisio Unionis. 

 SwAT>sox 1840. Malac. p. 382. — genus Alasmo- 

 dontinarum. 

 = 3Iargaritana Schum. 

 Ala^^moclonta Say 1820. in Trans. Americ. phil. Soe. Philad. 

 I. p. 459. * teste Desh. Enc. meth. II. p. 14. 

 Etym. vid. Alasmidonta. 

 Ab Unionibus separatum genus, antea auctori Mo- 



nodonta. 

 Ferussac 1819. Tabl. syst. * — subgenus Unionis. 

 Menke 1830. Syn. ed. 2a p. 106 — genus Naiadeorum. 

 = Margarilana Schum. 

 Alasmodontinae Swainso>- 1840. Malac. p. 288. 381. 

 Etym. Alasmodou. 



Sublamilia Unionidarum. Genera: Calceola, Alas- 

 modon, Uniopsis, IMargaritana, Complanaria. 

 Alata Auct. Rumph 1705. Amboin. Rar. (ed. Germ. p. 83.) 

 Elym. nom. adject. 

 Genus Univalvium. 



Pariter Scheuchzer 1718. Naturhist. d. Schweiz. 

 III. p. 287. * 



Walch 1768. Verstein. II. p. 115. * 

 Martim 1777. Conch. Cab. III. p. 70. 

 = Strombus Linn. 



