— 304 — 



Pleurotomoide!^ Bronn 1831. Ital. Tert. p. 47. et 1838. 

 Leth. p. 1064. 

 Siibgenus Pleurotomae. 

 = Defrancia Mill. 

 Pleurotomiis Montf. 1810. Conch. syst. II. p. 534. 

 = Pleurotoma (pars) Lamck. 



Plicacea (Plicacees) Lamck. 1812. Extr. d'un Cours. * et 

 1822. Hist. VL 2. p. 218. (ed. 2a IX. p. 35.) 

 Etym. Plica. 



Nova faniilia Trachelipodum phytophagorum. Ge- 

 nera: Tornatella, Pyramidella. 

 Pariter Jay 1839. Cat. shells p. 79. — accedit 

 Acteon. 

 Sow. jun. 1842. Conch. Man. ed. 2a p. 232.— 

 accedit Ringicula. 

 Latr. 1825. Fam. nat. (ed. Germ. p. 185.) — fam. 

 Gymnocochlidum. Genera quae Lamck. 

 'Desh. 1830. Enc. meth. III. tabj. et 1832. ib. p. 799. 

 — familia Asiphonoliranchiorum. Genera: Tor- 

 natella, Quoyia, Pyramidella. 

 Reeve 1841. Proc. Zool. Soc. p. 76. et 1842. Conch. 

 syst. II. p. 145. — familia Pectinibranchiatorum 

 phytophagorum. Genera : Tornatella, Pyramidella. 

 Pariter Catlow 1845. Conch. Nom. p. 205. 

 Synon. Plicala Menke. 

 Plicacidae Brod. 

 PlScacea Brown 1841. Conch. Brit. * 



Familia ab Aeassizio (Nomencl.) Trochoideis inserta. 

 Plicacidae Brod. 1830. Penny Cycl. XIV. * t. Agass. Nom. 

 Ettjin. Vocab. deprav. : P I i c a c ea. 

 Lea 184.3. Proc. Philad. Soc. III. p. 164. 

 ?= Plicacea Lamck. 



Plicadomiii^ Swains. 1840. Mal. p. 332. Conf. Sow. jun. 

 Conch. Man. ed. 2a p. 232. 

 Etym. Plica; domus. 



