Achatina histrio L. Pfeiffer, 1866 accepted as Varicella histrio (L. Pfeiffer, 1866) (original description)
Bulimus chiapasensis L. Pfeiffer, 1866 accepted as Drymaeus chiapasensis (L. Pfeiffer, 1866) (original description)
Bulimus ghiesbreghti L. Pfeiffer, 1866 accepted as Mesembrinus ghiesbreghti (L. Pfeiffer, 1866) (original description)
Bulimus heterogeneus L. Pfeiffer, 1866 accepted as Mesembrinus heterogeneus (L. Pfeiffer, 1866) (original description)
Bulimus heynemanni L. Pfeiffer, 1866 accepted as Drymaeus (Mesembrinus) inglorius heynemanni (L. Pfeiffer, 1866) represented as Drymaeus inglorius heynemanni (L. Pfeiffer, 1866) (original description)
Bulimus kefersteini L. Pfeiffer, 1866 (original description)
Bulimus paivanus L. Pfeiffer, 1866 (original description)
Bulimus sporlederi L. Pfeiffer, 1866 accepted as Drymaeus droueti sporlederi (L. Pfeiffer, 1866) (original description)
Choanopoma smithianum L. Pfeiffer, 1866 accepted as Weinlandipoma smithianum (L. Pfeiffer, 1866) (original description)
Chondropoma julieni L. Pfeiffer, 1866 (original description)
Cylindrella berendti L. Pfeiffer, 1866 accepted as Epirobia berendti (L. Pfeiffer, 1866) (original description)
Cylindrella flexuosa L. Pfeiffer, 1866 accepted as Anoma flexuosa (L. Pfeiffer, 1866) (original description)
Cylindrella smithiana L. Pfeiffer, 1866 accepted as Brachypodella smithiana (L. Pfeiffer, 1866) (original description)
Cylindrella transparens L. Pfeiffer, 1866 accepted as Urocoptis transparens (L. Pfeiffer, 1866) (original description)
Helicina binneyana L. Pfeiffer, 1866 accepted as Alcadia binneyana (L. Pfeiffer, 1866) (original description)
Helicina botteriana L. Pfeiffer, 1866 (original description)
Helicina moussoniana L. Pfeiffer, 1866 accepted as Alcadia moussoniana (L. Pfeiffer, 1866) (original description)
Helicina paivana L. Pfeiffer, 1866 accepted as Lucidella paivana (L. Pfeiffer, 1866) (original description)
Helicina smithiana L. Pfeiffer, 1866 accepted as Alcadia intusplicata smithiana (L. Pfeiffer, 1866) (original description)
Helix ampla L. Pfeiffer, 1866 accepted as Praticolella ampla (L. Pfeiffer, 1866) (original description)
Helix effusa L. Pfeiffer, 1866 accepted as Suavitas monteplatonis Pilsbry, 1931 accepted as Yunquea monteplatonis (Pilsbry, 1931) (original description)
Helix hermanni L. Pfeiffer, 1866 accepted as Rotadiscus hermanni (L. Pfeiffer, 1866) (original description)
Helix impura L. Pfeiffer, 1866 accepted as Thysanophora impura (L. Pfeiffer, 1866) (original description)
Helix incisa L. Pfeiffer, 1866 accepted as Glyphyalinia barbadensis R. Chase & D. G. Robinson, 2001 (original description)
Helix obsita L. Pfeiffer, 1866 (original description)
Helix platonis L. Pfeiffer, 1866 accepted as Plagioptycha platonis (L. Pfeiffer, 1866) (original description)
Helix selenkai L. Pfeiffer, 1866 accepted as Habroconus selenkai (L. Pfeiffer, 1866) (original description)
Helix smithiana L. Pfeiffer, 1866 (original description)
Helix virescens L. Pfeiffer, 1866 accepted as Hojeda virescens (L. Pfeiffer, 1866) (original description)
Helix wilhelmi L. Pfeiffer, 1866 accepted as Microconus wilhelmi (L. Pfeiffer, 1866) (original description)
Oleacina berendti L. Pfeiffer, 1866 (original description)
Oleacina oblonga L. Pfeiffer, 1866 accepted as Guillarmodia oblonga (L. Pfeiffer, 1866) (original description)
Oleacina paivana L. Pfeiffer, 1866 accepted as Flavoleacina paivana (L. Pfeiffer, 1866) (original description)
Oleacina perpusilla L. Pfeiffer, 1866 accepted as Salasiella perpusilla (L. Pfeiffer, 1866) (original description)
Oleacina smithiana L. Pfeiffer, 1866 accepted as Flavoleacina smithiana (L. Pfeiffer, 1866) (original description)
Spiraxis bullacea L. Pfeiffer, 1866 accepted as Streptostyla shuttleworthi (L. Pfeiffer, 1857) (original description)
Spiraxis linearis L. Pfeiffer, 1866 accepted as Volutaxis linearis (L. Pfeiffer, 1866) (original description)
Spiraxis mexicanus L. Pfeiffer, 1866 accepted as Lamellaxis mexicanus (L. Pfeiffer, 1866) (original description)
Succinea bogotensis L. Pfeiffer, 1866 (original description)