— XTir 



Géneros y autores. 3^t^L ^^i^^T. Paginas. 



admitidas, citadas. 



Pleurobranchus Cuvier 1 



Pleurotoma Lamarck 20 



Plicatula Lamarck 4 



Potámides Brongiiiart 



Psammobia Lamarck 26 



Psammotaea Lamarck 13 



Psammotellina Fischer 3 



Pterocera Lamarck 8 



Purpura Bruguiere 19 



Pyramidella Lamarck 13 



Pyramidelloides Nevill 1 



Pyrazus Montfort 2 



Pyrula Lamarck 2 



Pythina Hinds 4 



Quadrasia Crosse 1 



Quoyia Deshayes 1 



Rseta Oray 1 



Ranella Lamarck 25 



Rapa Klein. , 1 



Rapana Schumacher 2 



Raphitoma Bellardi 2 



Retusa Brown 2 



Ricinula Lamarck 36 



Rimula Defrance 3 



Ringicula Deshayes . . ^ 4 



Rissoina Orhigny 50 



Rostellaria Lamarck 4 



Sanguinolaria Lamarck 1 



Scalaria Lamarck 43 



Scaphander Montfort 1 



Schizochiton Chray 1 



Scintilla Deshayes 29 



Scissurella Orhigny 2 



Scutus Montfort 2 



Sámele Schumacher 8 



