Adelopoma bakeri Bartsch & J. P. E. Morrison, 1942 (original description)
Adelopoma costaricense Bartsch & J. P. E. Morrison, 1942 (original description)
Adelopoma stolli (E. von Martens, 1890) (basis of record)
Adelopoma tucma Doering, 1885 (additional source)
Aperostoma (Aperostoma) inca (A. d'Orbigny, 1835) represented as Aperostoma inca (A. d'Orbigny, 1835) (basis of record)
Aperostoma (Aperostoma) inconspicuum (G. B. Sowerby I, 1843) represented as Aperostoma inconspicuum (G. B. Sowerby I, 1843) (basis of record)
Aperostoma (Aperostoma) venezuelensis Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma venezuelensis Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma (Cyclohidalgoa) belli haughti Bartsch & J. P. E. Morrison, 1942 represented as Aperostoma belli haughti Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma allantayum Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma amazonense Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma balsasense Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma belli (R. H. Beddome, 1908) (basis of record)
Aperostoma blanchetium (S. Moricand, 1826) (basis of record)
Aperostoma bogotense (L. Pfeiffer, 1855) (basis of record)
Aperostoma boliviense Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma cardozi (H. B. Baker, 1923) (basis of record)
Aperostoma carmioli Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma castaneum Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma caucaense (S. I. Da Costa, 1901) (basis of record)
Aperostoma cingulatum (G. B. Sowerby I, 1843) (basis of record)
Aperostoma colombiense (S. I. Da Costa, 1901) (basis of record)
Aperostoma cumingi Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma currani Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma depressum (S. I. Da Costa, 1906) (basis of record)
Aperostoma fasciatum (Kobelt, 1912) (basis of record)
Aperostoma filoliratum (G. B. Sowerby III, 1892) (basis of record)
Aperostoma fischeri (Hidalgo, 1867) (basis of record)
Aperostoma fultoni Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma giganteum (Reeve, 1842) accepted as Incidostoma giganteum (Reeve, 1842) (basis of record)
Aperostoma laxatum (G. B. Sowerby I, 1850) (basis of record)
Aperostoma leai Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma merrilli Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma nevadense Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma paezense Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma paezicolum Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma peruense Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma peruvianum (Da Costa, 1906) (basis of record)
Aperostoma pittieri (E. von Martens, 1900) accepted as Incidostoma pittieri (E. von Martens, 1900) (basis of record)
Aperostoma pulchellum Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma redfieldi Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma smile Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma subcingulatum (Kobelt, 1912) (basis of record)
Aperostoma translucidum (G. B. Sowerby I, 1843) (basis of record)
Aperostoma translucidum bejumense (H. B. Baker, 1923) (basis of record)
Aperostoma translucidum dunoonense Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma translucidum major (H. B. Baker, 1923) (basis of record)
Aperostoma translucidum pygmaeum Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma translucidum trinitense (Guppy, 1864) (basis of record)
Aperostoma umbilicatum Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma utriaense Bartsch & J. P. E. Morrison, 1942 (original description)
Aperostoma veracochanum Bartsch & J. P. E. Morrison, 1942 (original description)
Barbacyclus boucardi (Angas, 1878) (basis of record)
Barbacyclus princeps (Pilsbry, 1935) (basis of record)
Barbacyclus underwoodi (S. I. Da Costa, 1900) (basis of record)
Calacyclotus Bartsch & J. P. E. Morrison, 1942 (original description)
Calacyclotus atratensis Bartsch & J. P. E. Morrison, 1942 (original description)
Calacyclotus olssoni (Pilsbry, 1926) (basis of record)
Calaperostoma bourcieri (L. Pfeiffer, 1852) (basis of record)
Calaperostoma chanchapoyasense (S. I. Da Costa, 1906) (basis of record)
Calaperostoma cousini (Jousseaume, 1884) (basis of record)
Calaperostoma cumingii (G. B. Sowerby I, 1832) (basis of record)
Calaperostoma esmeraldense (K. Miller, 1879) (basis of record)
Calaperostoma guayaquilense (G. B. Sowerby I, 1850) (basis of record)
Calaperostoma leai Bartsch & J. P. E. Morrison, 1942 (original description)
Calaperostoma nigrofasciatum (K. Miller, 1879) (basis of record)
Calaperostoma orbignyi (Ancey, 1892) (basis of record)
Calaperostoma pittieri Bartsch & J. P. E. Morrison, 1942 (original description)
Calaperostoma purum (Forbes, 1850) (basis of record)
Calaperostoma rosenbergi (S. I. Da Costa, 1898) (basis of record)
Filocyclus delphinulus (Mousson, 1869) (basis of record)
Lagocyclus Bartsch & J. P. E. Morrison, 1942 (original description)
Lagocyclus antonii (Cousin, 1887) (basis of record)
Lagocyclus bartletti (H. Adams, 1870) (basis of record)
Lagocyclus crosseanus (Hidalgo, 1866) (basis of record)
Lagocyclus haematomma (L. Pfeiffer, 1863) (basis of record)
Lagocyclus vasconesi (Jousseaume, 1897) (basis of record)
Liracyclotus Bartsch & J. P. E. Morrison, 1942 (original description)
Liracyclotus psilomitus (L. Pfeiffer, 1852) (basis of record)
Mexcyclotus Bartsch & J. P. E. Morrison, 1942 (original description)
Mexcyclotus lutescens (L. Pfeiffer, 1853) (basis of record)
Tomocyclus gealei Crosse & P. Fischer, 1872 (basis of record)
Tomocyclus guatemalensis (L. Pfeiffer, 1851) (basis of record)