Mayaxis fortis (E.C. Von Martens, 1898) Guatemala
Streptostyla fulvida J.C.H. Crosse& P.H. Fischer, 1869 Mexico, Veracruz
Rectaxis funibus (C. Goodrich& H. Van Der Schalie, 1937) Guatemala
Versutaxis futilis (H.B. Baker, 1939) Mexico, Puebla
Streptostyla gabbi H.A. Pilsbry, 1907 Costa Rica
Euglandina ghiesbreghti (L. Pfeiffer, 1856) Mexico, Tabasco
Euglandina gigantea H.A. Pilsbry, 1926 Costa Rica
Streptostyla glandiformis J.C.H. Crosse& P.H. Fischer, 1869 Mexico, Veracruz
Streptostyla gracilis (H.A. Pilsbry, 1909) Mexico, Veracruz
Rectaxis granum (H.B. Baker, 1939) Mexico, Veracruz
Salasiella guadalajarensis H.A. Pilsbry& T.D.A. Cockerell, 1926 Mexico, Jalisco
Euglandina haasi F.G. Thompson, 1982
Varicoturris hadra F.G. Thompson, 2009 Oaxaca, Mexico
Spiraxis haughtoni (W.H. Benson, 1863) Andaman Islands31 mm
Euglandina hererrae (J.A. Contreras, 1923) Mexico, Jalisco
Salasiella hinkleyi H.A. Pilsbry, 1919 Nicaragua
Varicoturris huehuetenangoensis (F.G. Thompson, 1995) Guatemala
Euglandina huingensis (H.A. Pilsbry, 1903)
Myxastyla hyalina F.G. Thompson, 1995 Guatemala
Euglandina immemorata H.A. Pilsbry, 1907 Mexico, Nuevo León
Euglandina indusiata (L. Pfeiffer, 1860) Mexico, Michoacan
Euglandina insignis (L. Pfeiffer, 1855) Mexico, Nayarit
Pseudosubulina insularis H.A. Pilsbry Colombia
Rectaxis intermedius (H. Strebel, 1882) Mexico, Veracruz
Spiraxis inusitatus (C.B. Adams, 1849) Jamaica
Euglandina irakita J.A. Jardim, D. Abbate& L.R.L. Simone, 2013
Pseudosubulina iridescens H.F. Ramsden & C. de la Torre, Cuba
Pseudosubulina irregularis H.A. Pilsbry, 1907 Mexico, Veracruz
Streptostyla irrigua (R.J. Shuttleworth, 1852) Mexico, Veracruz
Laeviglandina izabellina (L. Pfeiffer, 1846)
Euglandina jacksoni H.A. Pilsbry& E.G. Vanatta, 1936 Mexico, Tamaulipas
Streptostyla jacobsoni H.A. Pilsbry, 1951 Mexico, Tamaulipas
Eustreptostyla jilitlana (W.H. Dall, 1908) Mexico, San Luis Potosì
Salasiella joaquinae (H. Strebel, 1877) Mexico, Veracruz
Guillarmodia kingi (F.G. Thompson, 1995) Mexico, Oaxaca