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Firololda Lesiieur. coiitin. 

 Etym. Firola. 

 Subgenus Firolae. 



Pariter Blainv. 1825. Malac. p. 492. 

 Ferussac 1821. Tabl. syst. p. XXXVII. — genus 



Pterotrachearum. 

 Menke 1830. Syn. ed. 2a p. 10. — genus Caryo- 



branchiorum. 

 Conf. Cuv. 1830. R. a. ed. 2a (ed. Voigt. III. p. 147.) 

 Firoloides Desh. Enc. meth. III. p. 130. vid. Firoioida. 

 Fissuracea Reeve 1841. Proc. Zool. Soc. p. 75. et 1842. 

 Conch. syst. II. p. 17. 

 Etym. Fissura. 



Prima famiha Cervicobranchiatorum. Genera: Lot- 

 lia, Siphonaria, Parniophorus , Emarginula, Fis- 

 surella. 



Pariter Catlow 1845. Conch. Nomencl. p. 99. 

 Generibus accedit Mouretia. 

 Fisisitrella Brug. 1789. Enc. meth. I. p. XIV. 

 Etym. Fissura. 

 A Patellis separatum genus. 



Adoptat Lamck. 1799. Prodr. * et 1801. Syst. an. 

 p. 69. et Ann. du Mus. I. p. 312. (ed. Germ. p. 202.) 

 CuviER 1800. Anat. comp. * — subgenus Patellae. 

 RoissY 1805. Moll. V. p. 227. — genus Gasteropo- 



dum conivalvium. 

 Lamck. 1809. Phil. zool. — genus Phyllidianorum. 

 Lamck. 1812. Extr. d'un Cours * et 1822. Hist. nat. 

 VI. 2. p. 8. Ced. 2a VII. p. 589.) — genus Ca- 

 lyptraceorum. 



Pariler G. B. Sow. jun. . . . Conch. Illustr. * 

 Id. 1842. Conch. Man. ed. 2a p. 148. 

 ScHUM. 1817. Ess. p. 180. 

 CuviER 1817. Mem. p. serv. a Thist. d. MoII. * > 



Isis 1819. p. 728. 

 Id. 1817. R. a. * et 1830. Ib. ed. 2a (ed. Voigt. III. 

 p. 419.) — geniis Scutibranchiatorum. 



