— 596 — 



TriKOiiea Lamck. coiUin. 



Desh. 1830. Enc. metli. III. tabl. ~ 3a fam. Dimya- 



riorinn 2di ordinis regularinm. Genus: Trigonia. 

 Synon. Trigonacea Brown. 



Trigoniadae Flem. 



Trigoniana Jay. Berge. Leach. 

 ' Trigoniacea .s. Trigoniea Bronn. 



Trigonata Sow. jun. 



Trigonidae D'Orb. Gein. 



Trigonioidae Agass. 



TrlyoBiella Lum. 1699. Lithoph. Brit. p. 40. num. 811. cf. 



Scheuchz. Sciagr. lith. cur. 

 Etym. TQLyiovog, triangulus. *') 

 Bivalvium fossilium genus, dubium. 

 Walch 1762. Syslem.Steinr.p. 112. et 1768. Naturg. 



d. Verst. II. 1. p. 16. 96. * 

 Balmer 1763. Naturg. d. Min. l p. 326. * et 1780. 



Hist. n. regn. min. p. 40L * 

 ScHROT. 1776. Journ. f. d. Liebh. d. Steinr. III. p. 389. 



et 1788. Lith. Lex. VIII. p. 40. 

 ? =r L y r i d o n Sow. 



TrlKonella Da Costa 1778. Tesl. Brit. * 

 HuMPflR. 1797. Mus. Calonn. * 

 = Mactra Linn. 



Trlgonella Conrad 1837. Trans. .\mer. Phil. Soc. New 

 Ser. vol. V. * 

 Subgenus Cythereae. Typus: Venus crassatelloides 

 Conr. 



Pariter Hinus 1844. Voy. Sulph. Zool. p. 65. 

 ? = T r i g n a Miihlf. 



Trigonella (Da Costa) Lovl\ 1846. Ind. Moll. lit, Scan- 

 din. p. 45. 

 = Scrobicularia Schum. 



81) Trigonella Linn. genus Papiiionacearum 1T37. 



