(Preston, 1916) Planorbis borealis Westerlund, 1875: synonym of Gyraulus borealis (Lovén in Westerlund, 1875) Planorbis campanulatus Say, 1821 accepted...

and that Planorbis campanulatus Say, 1821 and not Planorbis bicarinatus Say, 1819 was meant. But since the incorrect type species Planorbis bicarinatus...

disstoni †Planorbella duryi †Planorbella scalaris Planorbis †Planorbis elisus †Planorbis tampaensis †Planorbis willcoxii Planularia – tentative report †Platybelodon...

†Placopecten magellanicus †Plagiosmittia †Plagiosmittia porelloides Planorbis †Planorbis antiquatus †Platygonus †Platygonus compressus – or unidentified comparable...