— 374 — 



Pyloridata Klein teste Blainv. 1826. Dict. sc. nat. tom. 

 44. p. 128. 

 = Pyloridea Blainv. 

 Pylopidea Blainv. 1818. Dict. sc. nat. tom. X. tabl. 



Decima familia Bivalvium. Genera: Lutraria, Mya, 

 Anatina, Pandora, Panopaea, Solen, Sanguino- 

 laria, Glycymeris, Trapezium, Rupicola, Saxicava, 

 Petricola, Rupellaria. 

 Blainv. 1824. Dict. sc. nat. tom. 32. p.345. et 1825. 

 Malac. p. 562. (> Sow. jun. Conch. Man. ed. 2a 

 p. 243.) — nona familia Lamellibranchiatorum. 

 Sectiones : 



a) b*gamento interno. Genera: Pandora, Anatina, 

 Thracia, Mya, Lutraria. 



b) bgam. externo inflato. Genera: Psammocola, 

 Soletelbna, Sanguinolaria , Solecurtus, Solen, 

 Solemya , Panopaea , Glycymeris , Saxicava, 

 Byssomya, Rhomboides, Hiatella, Gastrochaena, 

 Clavagella, Aspergillum. 



Rang 1829. Man. p. 322. — 6a fam. Dimyariorum. 

 Genera : 



a) ligam. interno: 



1) inaequivalvia : Corbula, Pandora, Thracia, 

 Periploma. 



2) aequivalvia: Anatina, Mya, Lutraria. 



b) ligam. externo : Psammocola, Soletellina, San- 

 guinolaria, Solecurtus, Solen, Solemya, Gly- 

 cymeris, Panopaea, Saxicava, Byssomya, Hia-. 

 tella, Rhomboides. 



Pyloris Klein 1740 in Scheuchz. Sciagr. lith. cur. p. 65. 

 et 1753. Ostrac. p. 163. 



Etym. TCvlcoQog, janitor. 



Quinta classis Diconcharum aequab'um interruptarum. 

 Genera: Solen bivalvis, Concha longa biforis, 

 Pholas, Concha longa uniforis, Musculus poly- 

 leptoginglymus, Pinna, Concha Eboracensis, Gly- 

 cymeris, Mactra. 



