Thaumastus inca (A.V.M.D. D'Orbigny,1835)
Thaumastus incarnum H.A. Pilsbry, 1944
Thaumastus indentatus S.I. Da Costa, 1901
Thaumastus insolitus H.B. Preston, 1909
Thaumastus integer (L. Pfeiffer, 1855)
Scholvienia iserni (R.A. Philippi, 1867)
Scholvienia jaspideus (P.M.A. Morelet, 1863)
Scholvienia jelskii (W. . Lubomirski, 1879)
Thaumastiella koepckei (A. Zilch, 1953)
Thaumastus largillierti (R.A. Philippi, 1845)
Thaumastus loxostomus (L. Pfeiffer, 1853)
Thaumastus magnificus (J.P.S. Grateloup, 1839)
Thaumastus mahogani (L. Pfeiffer, 1842)
Thaumastus melanocheilus (P. Nyst, 1845)
Thaumastus monozonalis (G.P. Deshayes, 1820)
Thaumastus nehiringi (E.C. Von Martens, 1889)
Thaumastus occidentalis W.K. Weyrauch, 1960
Thaumastus olmosensis A. Zilch, 1954
Thaumastus orcesi W.K. Weyrauch, 1967
Thaumastus ortizianus F. Haas, 1955
Megaspira pilsbryi H.A. Rehder, 1945
Thaumastus plumbeus (L. Pfeiffer, 1855)
Scholvienia porphyrius (L. Pfeiffer, 1847)
Thaumastus pseudoiostomus P. von Ströbel, 1909
Thaumastus requieni (L. Pfeiffer, 1853)
Thaumastus robertsi H.A. Pilsbry, 1944
Megaspira ruschenbergiana J.C. Jay, 1836
Thaumastus salteri G.B. Sowerby, 1890
Thaumastus sangoae (J.J. von Tschudi, 1852)
Thaumastus sarcochrous H.A. Pilsbry, 1897
Thaumastus spixii (J.A. Wagner, 1827)
Thaumastus spixii paraguayanus (C.M.F. Ancey, 1888)
Scholvienia taeniolus (P. Nyst, 1845)
Scholvienia tarmensis (R.A. Philippi, 1867)
Thaumastus tatutor F.P. Jousseaume, 1887