— 373 — 



Pyciiodonta Fisch. de Waldh. 1835. Biill. Mosc. Vlll. * 

 Cf. seqq. 

 Eiym. nvxvog, crassus- odovg, dens. 

 Genus Brachiopodum ? 



Sow. jun. 1842. Conch. Man. ed. 2a p. 85. fig. 

 217. 218. 

 = Gryphaea vesicularis Lanick. (Desh. inLamck. ed. 

 2a VII. p. 247.) 

 Pycuocloute Gray 1840. Syn. Br. Mus. * Ed. 1842. p. 92. 

 Cf. Pycnodonta. 

 Genus Pectinidarum. 

 Pycuodoutes Fisce. (Bull. Mosc. VIII.) teste Fer. 1835. 

 Bull. zool. p. 60. 

 Genus Acephalorura Meleagrinae simile. Conf. Pyc- 

 nodonta. 



Pygmaea Humphr. 1797. Mus. Calonn. * 

 Etym. Nom. adject. 

 = Columbella Lamck. 



Pygobraucltia Gray 1821. Lond. Med. Rep. * (cf. Sygo- 

 branchia.) 

 Etym. nvyrj, puga; /?^ay/*a, branchiae. 

 Primus ordo Gymnobranchiorum. Unicum genus: 

 Doris. 

 = CycIobrancKiata Blainv. 



Pygope LiNK 1830. Physik. Erdbeschr. II. 1. p. 451. * 



Etym. nvyi], puga; dmq, facies. 

 Brachiopodum genus; typus: Terebratula diphya Col. 

 Bronn 1838. Leth. p. 653. — Terebratulae injungit. 

 Synon. ?Diphyites Auctt. 



Hysterolithus (sp.) Auctt. 



Pugites De Haan. 



Pylorldae Wiegm. 1832. Handb. d. Zool. p. 565. Ed. 2a 

 p. 592. 

 Etym. Pyloris. 



Familia Conchiferorum. Genera: Solen, Mya. 

 Jeffr. 1839. Malac. and conch. 3Iag. II. p. 44. 



