— 394 — 



Dif^Pina Lamck. 1819. Hist. nat. VI. 1. p. 236. (ed. 2a tom. 



VII. p. 296.) 

 Etym. Disciis. 

 Novum geniis Rudistarum , monente J. Sowerby 



(1822 in Trans. Linn. Soc. XIII. p. 466. *) pro 



Orhicula juvenili institutum. 

 Gray 1826. Ann. of Phil. New ser. IX. p. 139. — 



ab Orl)icula bene dis(inctam censet. 

 Fleming 1828. Brit. AniuK p. 367. 376. — genus 



Brachioi)odum sessilium. 

 Rang 1829. Man. p. 263. — subgenus Orbiculae. 



Pariter Cuvier 1830. R. a. ed. 2a. (ed. Voigt. HL 

 p. 602.) 

 Thorpe 1844. Brit. mar. Conch. p. 125. — genus 



Rudistarum. 



Disciniclae Grav 1840. Syn. Brit. Mus. * (Agass. Nom.) 

 Etym. Discina. 

 Familia Brachiopodum. 



Itiscites Walch 1768. Natgsch. d. Verst. IL * teste Schrot. 

 Lithol. Lex. L p. 411. 



Etym, dloxog, discus. 



Genus Conchitarum, Pectines laeves complectens. 



Discite» De Haa> 1825. Monogr. Amm. * teste Desh. Enc. 

 meth. III. p. 89. 

 Genus Naulileorum superfluum, ad ipsos Nautilos 

 referendum. 



»i$i4co<loma SwAi^soN 1840. Malac. p. 329. Cf. G. B. Sow. 



Conch. Man. ed. 2a p. 139. 

 Etym. diaxog, discus; (Jw//a, domus. 

 Subgenjs Lucernae. Typus: llebx lampas Miill. 

 = Caracolla Beck. 



IiL<!(coiiBe^ Remeri (? 1807. Tavol. classif. *) teste Agass. 

 Nom. 

 Efym. dioitoet6t[g, disciformis. 

 = Pleurobranchus Cuvier. 



