Ariolimax columbiana var. hecoxi Wetherby, 1880 accepted as Ariolimax dolichophallus Mead, 1943 (original description)
Glandina (Oleacina) decussata (Deshayes, 1851) accepted as Euglandina decussata (Deshayes, 1851) (basis of record)
Helix (Aglaja) fidelis (J. E. Gray, 1834) accepted as Monadenia fidelis (J. E. Gray, 1834) (basis of record)
Helix (Patula) cumberlandiana (I. Lea, 1840 accepted as Anguispira cumberlandiana (I. Lea, 1840) (basis of record)
Helix (Polygyra) espiloca Bland, 1860 represented as Polygyra espiloca (Bland, 1860) accepted as Daedalochila postelliana (Bland, 1859) (basis of record)
Helix (Stenotrema) edgariana (I. Lea, 1841) represented as Stenotrema edgarianum (I. Lea, 1841) (basis of record)
Helix (Stenotrema) edvardsi Bland, 1858 accepted as Stenotrema edvardsi (Bland, 1858) (basis of record)
Helix (Stenotrema) hirsuta Say, 1817 represented as Stenotrema hirsutum (Say, 1817) (additional source)
Helix (Stenotrema) labrosa Bland, 1862 represented as Stenotrema labrosum (Bland, 1862) (basis of record)
Helix (Stenotrema) stenotrema L. Pfeiffer, 1842 represented as Stenotrema stenotrema (L. Pfeiffer, 1842) (basis of record)
Helix (Triodopsis) copei Wetherby, 1878 accepted as Triodopsis vultuosa (A. Gould, 1848) (basis of record)
Helix (Zonites) rugeli (W. G. Binney, 1879) accepted as Mesomphix rugeli (W. G. Binney, 1879) (basis of record)
Holospira roemeri (L. Pfeiffer, 1848) accepted as Metastoma roemeri (L. Pfeiffer, 1848) (additional source)