— 53 — 



]fIoiiocon«lylea cD'Orl).) Geinitz 1846. Grundr. d. Verst. 

 p. 440. 

 Genus Unionidarum. Typus: Unio Franciscanus 

 Moric. 

 ?= Monocondylaea D'Orb. 

 ^louodacna Eichwald 1838. Faun. Casp. mar. prim. * > 

 Leonh. et Br. Jahrb. 1838. p. 734. et Troschel in 

 Wiegm. Arch. 183D. II. p. 240. 

 Etym. /.lovos, unicus; daxv(o, mordeo. 

 A Cardiis perperam disjunctum genus, species den- 

 ticulo cardinali unico praeditas complectens. Conf. 

 Adacna. 

 lIonoiBactyliis Kleiin 1753. Ostrac. p. 98. 



Etym. [.lovos , unicus^ daaivXos, digitus. 

 Genus Alatarum, ad Strombos referendum. 

 Iflonodon Schweigg. 1820. Naturg. p. 736. 



Etym. i-iovoS') unicus; odovs, dens. ^*) 

 Subgenus Paludinae. 



Gerville 1825. Cat. coq. dept. Manche. * > Agass. 

 Nomencl. 

 = Monodonta Lamck. 

 monodonta Lamck. 1799. Prodr. * et 1801. Syst. an. p. 87- 

 Etym. praec. 

 A Trochis separatum genus. Typus: Trochus labio 



Linn. 

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

 Pariler Feruss. 1821. Tabl. syst. p. XXXIV. 

 Rang 1829. Man. p. 201. 

 RoissY 1805. Moll. V. p. 285. — genus adoptat. 

 Lamck. 1809. Phil. zool. et 1822. Hist. VII. p. 30. 

 (ed. 2a IX. p. 171.) — genus Turbinaceorum. 

 Pariter Puscn 1837. Pol. Paliiont. p. 105. 



Sow. jun. 1842. Conch. Man. ed. 2a p. 191. 

 Cuvier 1817. R. a. * — subffcnus Turbinis. 



23) Monodon Linn. (1735.) gemis Cetaceorum. 



