Pfeiffer, 1853 Buccinum pusillum L. Pfeiffer, 1840 is a synonym of Astyris lunata Say, 1826 Cerithium martinianum L. Pfeiffer, 1840 is a synonym of Rhinoclavis (Rhinoclavis) fasciata Bruguière, 1792 Cerithium pallidum L. Pfeiffer, 1840 is a synonym of Bittiolum varium L. Pfeiffer, 1840 Cerithium varium L. Pfeiffer, 1840 is a synonym of Bittiolum varium L. Pfeiffer, 1840 Cyclotini L. Pfeiffer, 1853 Diplommatinidae L. Pfeiffer, 1857 Gonaxis prostratus L. Pfeiffer, 1856 Glugea cladocera L. Pfeiffer 1895 Gulella L. Pfeiffer, 1856 Helix micans L. Pfeiffer, 1845 is a synonym of Pfeifferia micans Gray, 1853 Hydrocena bridgesi L. Pfeiffer, 1850 Hydrocena cattaroensis L. Pfeiffer, 1841 Hydrocena cerea L. Pfeiffer, 1857 Hydrocena cornea L. Pfeiffer, 1855 Hydrocena exserta L. Pfeiffer, 1855 Hydrocena navigatorum L. Pfeiffer, 1857 Hydrocena obtusa L. Pfeiffer, 1855 Hydrocena pyramis L. Pfeiffer, 1855 Hydrocena solidula L. Pfeiffer, 1855 Kaliella barrakporensis L. Pfeiffer, 1853 Leptopoma L. Pfeiffer, 1847 Limborelia exquisita L. Pfeiffer, 1855 Lissachatina reticulata L. Pfeiffer, 1845 Marginella pellucida L. Pfeiffer, 1840 is a synonym of Prunum pellucidum L. Pfeiffer, 1840 Melampus cristatus L. Pfeiffer, 1854 Melampus floridanus L. Pfeiffer, 1856 Murex martinianus L. Pfeiffer, 1840 is a synonym of Pterynotus alatus Röding, 1798 Natica livida L. Pfeiffer, 1840 Nucula hartvigiana L. Pfeiffer in Dohrn, 1864 Omphalotropis L. Pfeiffer, 1851 Omphalotropis guamensis L. Pfeiffer, 1857 Omphalotropis plicosa L. Pfeiffer, 1852 Oreobba Codonodes L. Pfeiffer, 1847 Palaina capillacea L. Pfeiffer, 1855 Palaina macgillivrayi L. Pfeiffer, 1855 Paludinella L. Pfeiffer, 1841 Prunum pellucidum L. Pfeiffer, 1840 Sculptaria L. Pfeiffer, 1855 Sunetta (Sunettina) L. Pfeiffer, 1869 is a synonym of Sunetta Link, 1807 Terebra maculosa L. Pfeiffer, 1840 is a synonym of Acus maculatus Linnaeus, 1758 Theba macandrewiana L. Pfeiffer, 1853 Truncatella californica L. Pfeiffer, 1857 Truncatella ceylanica L. Pfeiffer, 1857 Truncatella pulchella L. Pfeiffer, 1839 Venus puella L. Pfeiffer, 1846 is a synonym of Anomalocardia puella L.Pfeiffer, 1846 Plants described by Pfeiffer Alziniana (Pfeiff. 1873) is a synonym for Alzatea (Ruiz & Pav. 1794) Cephalocereus (Pfeiff. 1838) Cuscutina (Pfeiff. 1846) is a synonym of Cuscuta (L. 1753) Discocactus (Pfeiff. 1837) Engelmannia (Pfeiff. 1845) is a synonym of Cuscuta (L. 1753) Epilinella (Pfeiff. 1845) is a synonym of Cuscuta (L. 1753) Gymnocampus (Pfeiff. 1874) is a synonym of Stylidiaceae (R. Br. 1810) Hosta (Pfeiff. 1874) Lepismium (Pfeiff. 1835) Terminthia (Pfeiff. 1876) is a synonym for Searsia (F.A. Barkley 1942) Cuscuta hassiaca (Pfeiff. 1843) is a synonym for Cuscuta suaveolens (Ser. 1840) Cuscuta schkuhriana (Pfeiff.