Brazieria velata (Hombron & Jacquinot, 1841) (additional source)
Cassidula philippinarum Hidalgo, 1888 (additional source)
Charopa kubaryi Möllendorff, 1900 accepted as Kubaryiellus kubaryi (Möllendorff, 1900) (original description)
Charopa ponapica Möllendorff, 1900 accepted as Palikirus ponapicus (Möllendorff, 1900) (original description)
Charopa ualanensis Möllendorff, 1900 accepted as Delos oualanensis (Pease, 1866) (basis of record)
Endodonta (Thaumatodon) callizona Möllendorff, 1900 accepted as Jokajdon callizonus (Möllendorff, 1900) (original description)
Endodonta (Thaumatodon) callizona var. tumidula Möllendorff, 1900 accepted as Jokajdon tumidulus (Möllendorff, 1900) (original description)
Eulota (Eulotella) micronesica Möllendorff, 1900 (original description)
Flammulina (Calymna) nigrescens Möllendorff, 1900 accepted as Russatus nigrescens (Möllendorff, 1900) (original description)
Garrettia carolinarum (Möllendorff, 1897) accepted as Thaanumella angulosa (Ancey, 1890) (basis of record)
Garrettia carolinarum pyramis Möllendorff, 1897 accepted as Thaanumella angulosa turrita (Möllendorff, 1897) (basis of record)
Garrettia carolinarum turrita (Möllendorff, 1897) accepted as Thaanumella angulosa turrita (Möllendorff, 1897) (basis of record)
Garrettia soluta (Möllendorff, 1897) accepted as Wrayanna soluta (Möllendorff, 1897) (basis of record)
Georissa rufula Möllendorff, 1900 (original description)
Gonatorhaphe incisa (Hombron & Jacquinot, 1848) accepted as Paramiella incisa (Hombron & Jacquinot, 1848) (basis of record)
Helicina (Pleuropoma) humilis Hombron & Jacquinot, 1848 accepted as Sulfurina humilis (Hombron & Jacquinot, 1848) (basis of record)
Helicina (Pleuropoma) zigzag Pease, 1867 accepted as Aphanoconia zigzag (Pease, 1867) (basis of record)
Helicina (Sulfurina) carolinarum Möllendorff, 1900 accepted as Sturanya carolinarum (Möllendorff, 1900) (original description)
Helicina zonata Lesson, 1831 (additional source)
Hemiplecta sowerbyana (L. Pfeiffer, 1841) accepted as Trukrhysa pachystoma (Hombron & Jacquinot, 1841) (basis of record)
Kaliella doliolum (L. Pfeiffer, 1846) (additional source)
Kaliella tenuisculpta Möllendorff, 1893 accepted as Liardetia tenuisculpta (Möllendorff, 1893) (additional source)
Lamprocystis frivola (Pease, 1866) accepted as Kusaiea frivola (Pease, 1866) (basis of record)
Lamprocystis palaensis (C. Semper, 1870) accepted as Kororia palaensis (C. Semper, 1870) (basis of record)
Leucochilus pediculus (Shuttleworth, 1852) accepted as Gastrocopta pediculus (Shuttleworth, 1852) (additional source)
Omphalotropis (Eurytropis) bulimoides (Hombron & Jacquinot, 1848) accepted as Omphalotropis bulimoides (Hombron & Jacquinot, 1848) (basis of record)
Omphalotropis (Eurytropis) coronata Möllendorff, 1887 accepted as Omphalotropis coronata Möllendorff, 1887 (basis of record)
Omphalotropis (Stenotropis) laevis (Pease, 1865) accepted as Omphalotropis laevis (Pease, 1865) (basis of record)
Omphalotropis (Stenotropis) tumidula Möllendorff, 1897 accepted as Omphalotropis tumidula Möllendorff, 1897 (basis of record)
Omphalotropis angulosa Ancey, 1890 accepted as Thaanumella angulosa (Ancey, 1890) (basis of record)
Omphalotropis carolinensis E. A. Smith, 1892 (additional source)
Opeas gracile (T. Hutton, 1834) accepted as Allopeas gracile (T. Hutton, 1834) (additional source)
Opeas pruniosum Möllendorff, 1900 (original description)
Opeas tuckeri (L. Pfeiffer, 1846) accepted as Eremopeas tuckeri (L. Pfeiffer, 1846) (basis of record)
Palaina (Eupalaina) doliolum Möllendorff, 1897 accepted as Palaina doliolum Möllendorff, 1897 (basis of record)
Palaina (Eupalaina) kubaryi Möllendorff, 1897 accepted as Palaina kubaryi Möllendorff, 1897 (basis of record)
Palaina (Eupalaina) ovatula Möllendorff, 1897 accepted as Palaina ovatula Möllendorff, 1897 (basis of record)
Palaina (Macropalaina) scalarina Möllendorff, 1897 accepted as Palaina scalarina Möllendorff, 1897 (additional source)
Palaina (Macropalaina) xiphidium Möllendorff, 1897 accepted as Palaina xiphidium Möllendorff, 1897 (additional source)
Partula rufa Lesson, 1831 (additional source)
Partula rufa grandis Möllendorff, 1900 accepted as Partula guamensis (L. Pfeiffer, 1846) (original description)
Partula rufa montana Möllendorff, 1900 accepted as Partula guamensis (L. Pfeiffer, 1846) (original description)
Prosopeas carolinum (E. von Martens, 1880) (basis of record)
Pupina brenchleyi E. A. Smith, 1892 (basis of record)
Pupina complanata (Pease, 1861) (basis of record)
Pupina difficilis O. Semper, 1864 (additional source)
Pupisoma philippinicum Möllendorff, 1888 accepted as Pupisoma orcula (W. H. Benson, 1850) accepted as Pupisoma dioscoricola (C. B. Adams, 1845) (additional source)
Pythia acuta (Hombron & Jacquinot, 1847) (basis of record)
Quadrasiella ammonitella Möllendorff, 1900 (original description)
Succinea (Brachyspira) guamensis L. Pfeiffer, 1857 (basis of record)
Tornatellina gigas E. von Martens, 1880 (additional source)
Tornatellina ovatula Möllendorff, 1900 accepted as Elasmias ovatulum (Möllendorff, 1900) (original description)
Tornatellina pusilla Möllendorff, 1900 (original description)
Trochomorpha (Nigritella) alta (Pease, 1868) accepted as Trochomorpha alta (Pease, 1868) accepted as Mendana rectangula (L. Pfeiffer, 1846) (basis of record)
Trochomorpha (Nigritella) approximata (Le Guillou, 1842) represented as Trochomorpha approximata (Le Guillou, 1842) (basis of record)
Trochomorpha (Nigritella) entomostoma (Hombron & Jacquinot, 1841) accepted as Entomostoma entomostoma (Hombron & Jacquinot, 1841) (basis of record)
Trochomorpha (Nigritella) kuesteri (L. Pfeiffer, 1845) represented as Trochomorpha kuesteri (L. Pfeiffer, 1845) (basis of record)
Trochomorpha (Nigritella) kuesteri goniomphala (Reeve, 1854) accepted as Trochomorpha (Nigritella) kuesteri (L. Pfeiffer, 1845) represented as Trochomorpha kuesteri (L. Pfeiffer, 1845) (basis of record)
Trochomorpha (Nigritella) kuesteri intermedia Möllendorff, 1900 accepted as Trochomorpha kuesteri intermedia Möllendorff, 1900 accepted as Trochomorpha kuesteri (L. Pfeiffer, 1845) (original description)
Trochomorpha (Nigritella) kuesteri transitans Möllendorff, 1900 accepted as Trochomorpha kuesteri (L. Pfeiffer, 1845) (original description)
Trochomorpha (Nigritella) kuesteri var. fulvizona Möllendorff, 1900 accepted as Trochomorpha (Nigritella) kuesteri (L. Pfeiffer, 1845) represented as Trochomorpha kuesteri (L. Pfeiffer, 1845) (original description)
Trochomorpha (Nigritella) nigritella (L. Pfeiffer, 1847) represented as Trochomorpha nigritella (L. Pfeiffer, 1847) (basis of record)
Trochomorpha (Nigritella) nigritella contigua Pease, 1871 accepted as Trochomorpha contigua Pease, 1871 (basis of record)
Trochomorpha nigritella contigua Pease, 1871 accepted as Trochomorpha contigua Pease, 1871 (basis of record)
Truncatella pacifica Pease, 1868 accepted as Truncatella guerinii A. Villa & J. B. Villa, 1841 (additional source)
Vertigo (Ptychochilus) eapensis (O. Boettger, 1881) accepted as Nesopupa eapensis (O. Boettger, 1881) (basis of record)
Vertigo (Ptychochilus) ponapica Möllendorff, 1900 (original description)