— 317 — 



CVas^iiiatclla Lamck. contin, 

 Synon. contin. 



Papliia Lanick. olim. Roissy. 

 " Ptychomya Agassiz. 

 Cras^atellacea IMexke 1830. Syn. ed. 2a p. 108. Conf. 

 C r a s s a t e 1 1 a e. 

 Etym. Crassatella. 



Ouarta familia ordinis Mylilaceorum. Genera: Cras- 

 sina , Crassatella , 3Iyoconcha. 

 Crassatellaeeae Mexke olim 1828. Syn. p. 65. 



Quarta familiae Mytilaceorum. Gencra : Crassina, 

 Crassatella. 

 ~ Crassatellae Feruss. 

 Craisisatellae Ferussac 1821. Tabl. syst. p. XLII. Conf. 

 Desli. Enc. meth. III. p. 23. 

 Quarta familia Mytilaceorum. Genera : Crassina, Cras- 



satella. 

 Synon. Crassatellaceae Menke olim. 

 Crassatellidae Gray 1840. Syn.Brit.3ius. * (Agass. Nom.) 

 Etym. praeced. 

 ?= Crassatellacea iMke. 

 Crassi(lor.^a Brown 1843. Foss. Conch. * teste Agass. Nom. 

 Etym. Crassus; dorsum. 

 (Genus Troclioideorum. Agass.) 

 Crassina Lamck. 1818. Hist. nat. V. p. 554. (ed. 2a VI. 

 p. 255.) 

 Etym. Crassus. 

 Genus Nymphaccorum. 

 Ferussac 1821. Tabl. syst. p. XLII. — in familia 



Crassatellarum. 

 ScHWEiGG. 1820. Natgsch. j). 710. — in Mytilaceis. 

 Blainv. 1825. Malac. p. 557. — subgenus Veneris. 

 Pariter Cuv. 1830. K. a. ed. 2a (ed. Voigt. 111. 

 p. 535.) 

 SwAixsoN 1840. Malac. p. 372. 

 Latreille 1825. Fam. nat. — in Telbnidis sabuli- 

 cobs. 



