Pachytoma Swains. 
Padollus Montf. 
Pagodella Ad. 
Pagodina Stab. 
Pagodulina Cless. 
Palaina Semp. 
Pallium Mart. 
Panda Alb. 
Pandora Sol. 
Panopaea Men. 
Paphia Leach 
Papillifera Bttg. 
Papuina Mart. 
Papyridea Swains. 
Parallelepipedum Kl, 
Parapholas Carp. 
Parembola Mörch 
Parmacella Cuv. 
Parmarion Fisch. 
Parmella H. Ad. 
Parmophorus Blv. 
Parthena Alb 
Partula Fer. 
Partulina Pfr. 
Paryphanta Alb. 
Passamaella Pfr. 
Patella L. 
Patina Leach 
Patinella Dall 
Patro Gray 
Patula Held 
Patularia Swains. 
Patulastra Fitz. 
Paxillus Bens 
Pecten L. 
Pectuneulina d’Orb. 
Pectunceulus Lam. 
Peetunculus Mörch 
Pedipes Gmel. 
Pedinogyra Alb. 
Pedum Brug. 
Pelagella Gray 
Peleeypoda 
Pelia Alb. 
Pella Alb. 
Pellieula Fischer 
Peloronta Oken 
Pelopia Ad. 
Pelta Quatref. 
Peltella Webb. 
Penitella Val. 
Pentataenia Schm. 
Perdicella Pease 
Perideris Shuttl. 
Periploma Schum. 
Perna Brug. 
Peronaea Poli 
Peronaeoderma Mörch 
Peronaeus Alb. 
Peronia Blv. 
Perrinia Ad. 
Persa Ad. 
Petasia Beck 
Petenia Crosse 
Petitia Chitty 
Petraeus Alb. 
Petricola Lam. 
Phaedusa Ad. 
Phanerophthalmus Ad. 
Phaneta Ad. 
Phania Alb. 
Pharella Gray 
Pharus Leach 
Phasianella Lam. 
Phasis Alb. 
Phenacolimax Stab. 
Phengus Alb. 
Phidiana Gray 
Philine Ase. 
Philinopsis Pease 
Philis Fischer 
Philomyeus Raf. 
Phistilla Bergh 
Phoenieobius Mörch 
Pholadidea Turt. 
Pholadomya Sow. 
Pholadopsis Conr. 
Pholas L. 
Phorcus Risso 
Phosphorax Webb. 
Photinula Ad. 
Phycophila Ad. 
Phyllaplysia Fischer 
Phyllidia Cuv. 
Phyllidiopsis Bergh 
Phyllobranchus Ald. 
Phylloda Schum. 
Phyllodesmium Ehrbg. 
Physa Drp. 
Physella Pfr. 
Physema Ad. 
Physodon Hald. 
, Physopsis Krauss. 
| Pila Klein 
Pineria Poey 
Pinna L. 
Pira Ad. 
Pirostoma Möll. 
Pisidium C. Pfr. 
Placenta Retz 
Placobranchus Hass. 
 Placostylus Beck 
Placuna Sol 
| Placunanomia Brod. 
Plagiodon Lea 
Plagioptycha Pfr. 
Planispira Beck 
Planorbella Hald. 
Planorbis Guett. 
Planorbula Hald. 
Platydoris Bergh 
Platyodon Conr. 
Plebecula Lowe 
Plecachilus Guildg. 
Plecotrema Ad. 
Plectopylis Bens. 
Plectostoma Hald. 
Plectostylus Beck 
Plectotropis Mart. 
Pleetrophorus Bose. 
Pleurobranchaea Meck. 
Pleurobranchus Cuy. 
Pleurodonta Alb. 
| Pleuronectia Sw. 
Pleurophyllidia Meck. 
Pleuropyrgus Mart. 
Seite 
175 
202 
251 
316 
316 
150 
252 
221 
256 
184 
175 
175 
350 
230 
185 
257 
312 
321 
313 
sıl 
161 
220 
160 
177 
177 
179 | 
179 
185 
329 
184 
298 
207 
174 
298 
299 
146 
271 
367 
303 
291 
343 
376 | 
186 
260 
376 
376 
359 
226 
228 
300 
299 
301 
130 
319 
250 
259 
304 
235 
191 
265 
241 
205 
178 
178 
227 
374 
178 
267 
IA I A al Br 
Pleurotomaria Defr. 
Plicatula Lam. 
Pliodon Conrad 
Plocamophorus Cuv. 
Pneumonopoma 
Podophthalma 
Poenia Ad. 
Poeyia Bgt. 
Polita Held 
Pollicaria Gld. 
Polybranchia Lov. 
Polycera Cuv. 
Polydonta Schum. 
Polydontes Montf. 
Polygyra Say 
Polygyratia Gray 
Polygyrella l;land. 
Polymita Beck 
Pomatia Beck 
Pomatias Stud. 
Pomaulax Gray 
Pompholyx Lea 
Poromya Forbes 
Poronia Reel. 
Porostomata 
Porphyrobaphe Shuttl. 
Portlandia Gray 
Posterobranchaea d’Orb. 
Potamomya Sow. 
Praxis Ad. 
Prisogaster Mörch 
Prochilus Alb. 
Proctonotus Ald. 
Proplıysaon Binn, 
Propylidium Forbes 
Proserpina Gray 
Proserpinella Biv. 
Froserpinula Ad. 
Proteobranchiata 
I sammobella Gray 
Psammobia Lam. 
Psammotaea Lam. 
Psammotella Desh. 
Pseudazeca Pfr. 
Pseudachatina Alb. 
Pseudalinda Bttg. 
} seudammussium Kl. 
Pseudobalea Skuttl. 
Pseudocampylaea Pfr. 
Fseudochilina Dall 
Pseudodon Gld. 
Pseudohyalina Morse 
Pseudolibania Stef. 
Pseudonenia Böttg. 
Pseudopartula Pfr. 
Pteraeolidia Bergh 
Pterodoris Bergh 
Pterogasteron Pease 
Ptychostylus Gabb. 
Ptychotrema Mörch 
Pullastra Sow. 
Pulmonata 
Puncturella Lowe 
Pupa Lam. 
Pupilla Leach 
Pupillia Gray 
Pupina Vign. 
Pupinella Gray 
BT ee rn 
