— 292 — 



Pleurobema Bafln. contin. 



Etym. nlevQcc^ latus; /?^/<«, passus. 



Subgenus Unionis. Typus: Unio mytiloifles Raf. 



Rafin. 1820. Monogr. Biv. Oh. (ed. Chenu p. 23.) — 



— genus Amblemidium. 



Pleurobraneltaea Meckel 1813 in Leue diss. inaug. de 



Pleur. * 

 Etym. Pleurobranchus. 

 Novum genus Molluscorum. 

 ScHWEiGG. 1820. Naturg. p. 746. — genus Pomafo- 



branchiorum. 

 Feruss. 1821. Tabl. syst. p. XXIX. — genus Pleu- 



robranchorum. 

 Menke 1828. Syn. et 1830. ib. ed. 2a p. 11. — in 



Pleurobrancheis. 

 Bang 1829. Man. p. 138. — in Semiphyllidianis. 

 CuviER 18.30. B. a. ed. 2a. (ed. Voigt. III. p. 131.) — 



in Tectibranchiatis. 

 SwAiNS. 1 840. Malac. p. 36 ! . — P 1 e u r o b r a n c h a e n a 



— genus Pleurobranchinarum. 



D'ORBr 1841. Moll. Cub. I. p. 115. — genus Pleu- 

 robranchidarum. 



Pariter Cantr. 1841. Malac. medit. p. 85. 

 Gray 1842. Syn. Brit. Mus. p. 00. 

 Phil. 1844. 3Ioll. Sic. II. p. 88. — genus Semiphyl- 



lidiorum. 

 Synon. Cyanogaster Budolphi. 



Pleurobranchidium Blainv. Desh. 

 Pleurobranchaena Swains. 

 Pleurobraiteliaeiia Swains. vid. praec. 

 Pleurobraneliea Menke 1830. Syn. ed. 2a p. 11. 

 Etym. Pieurobranchus. '*) 



33) Pleurobranchea (Flem.) Milne-Edw. (1840 in Lamck. ed. 2a 

 111. p. 36.) err. pro Pleurobrachia. 



