Amphidromus (Syndromus) Pilsbry, 1900 represented as Amphidromus Albers, 1850 (original description)
Amphidromus adamsii f. mangsianus Pilsbry, 1900 accepted as Amphidromus adamsii adamsii (Reeve, 1848) (original description)
Amphidromus chloris var. calista Pilsbry, 1900 accepted as Amphidromus calista Pilsbry, 1900 accepted as Amphidromus chloris (Reeve, 1848) accepted as Amphidromus sulphuratus (Hombron & Jacquinot, 1847) (original description)
Amphidromus chloris var. pallidulus Pilsbry, 1900 accepted as Amphidromus calista f. pallidula Pilsbry, 1900 accepted as Amphidromus calista Pilsbry, 1900 accepted as Amphidromus chloris (Reeve, 1848) accepted as Amphidromus sulphuratus (Hombron & Jacquinot, 1847) (original description)
Amphidromus chloris var. purissimus Pilsbry, 1900 accepted as Amphidromus chloris (Reeve, 1848) accepted as Amphidromus sulphuratus (Hombron & Jacquinot, 1847) (original description)
Amphidromus chloris var. rosa Pilsbry, 1900 accepted as Amphidromus calista f. rosa Pilsbry, 1900 accepted as Amphidromus calista Pilsbry, 1900 accepted as Amphidromus chloris (Reeve, 1848) accepted as Amphidromus sulphuratus (Hombron & Jacquinot, 1847) (original description)
Amphidromus maculatus bungiensis Pilsbry, 1900 (original description)
Amphidromus perversus f. similis Pilsbry, 1900 accepted as Amphidromus similis Pilsbry, 1900 (original description)
Amphidromus sinensis var. indistinctus Pilsbry, 1900 accepted as Amphidromus flavus (L. Pfeiffer, 1861) (original description)
Amphidromus xiengensis var. clausus Pilsbry, 1900 accepted as Amphidromus xiengensis Morlet, 1891 (original description)
Amphidromus xiengensis var. tryoni Pilsbry, 1900 accepted as Amphidromus flavus (L. Pfeiffer, 1861) (original description)
Bothriembryon gunnii var. brachysoma Pilsbry, 1900 accepted as Bothriembryon tasmanicus (L. Pfeiffer, 1853) (original description)
Bothriembryon inflatus conispira Pilsbry, 1900 accepted as Bothriembryon bulla (Menke, 1843) (original description)
Bothriembryon inflatus maculiferus Pilsbry, 1900 accepted as Bothriembryon rhodostomus (J. E. Gray, 1834) (original description)
Bothriembryon inflatus var. castaneus (Quoy & Gaimard, 1832) accepted as Bothriembryon melo (Quoy & Gaimard, 1832) (basis of record)
Bothriembryon kingii solidus Pilsbry, 1900 accepted as Bothriembryon sayi (L. Pfeiffer, 1847) (original description)
Bothriembryon physoides var. humilis Pilsbry, 1900 accepted as Bothriembryon kingii (Gray, 1825) (original description)
Callistocharis Pilsbry, 1900 (original description)
Hebridaria Pilsbry, 1900 accepted as Diplomorpha Ancey, 1884 (original description)
Placocharis Pilsbry, 1900 accepted as Eumecostylus E. von Martens, 1860 (original description)
Placostylus (Callistocharis) Pilsbry, 1900 accepted as Callistocharis Pilsbry, 1900 (original description)
Placostylus (Leucocharis) Pilsbry, 1900 accepted as Leucocharis Pilsbry, 1900 (original description)
Placostylus (Placocharis) Pilsbry, 1900 accepted as Placocharis Pilsbry, 1900 accepted as Eumecostylus E. von Martens, 1860 (original description)
Placostylus alexander var. crassa Pilsbry, 1900 accepted as Placostylus fibratus alexander (Crosse, 1855) (original description)
Placostylus alexander var. leucostoma Pilsbry, 1900 accepted as Placostylus fibratus alexander (Crosse, 1855) (original description)
Placostylus alexander var. ouagapensis Pilsbry, 1900 accepted as Placostylus fibratus alexander (Crosse, 1855) (original description)
Placostylus alexander var. procerula Pilsbry, 1900 accepted as Placostylus fibratus alexander (Crosse, 1855) (original description)
Placostylus duplex var. nyapagionis Pilsbry, 1900 accepted as Placostylus porphyrostomus smithii Kobelt, 1891 (original description)
Placostylus elobatus (A. Gould, 1846) accepted as Callistocharis elobatus (A. Gould, 1846) (basis of record)
Placostylus elobatus var. albino Pilsbry, 1900 accepted as Placostylus elobatus (A. Gould, 1846) accepted as Callistocharis elobatus (A. Gould, 1846) (original description)
Placostylus fibratus var. strigatus Pilsbry, 1900 accepted as Placostylus fibratus ouveanus (Mousson, 1869) (original description)
Placostylus guestieri var. confusus Pilsbry, 1900 accepted as Placostylus fibratus alexander (Crosse, 1855) (original description)

Cambodia for Amphidromus xiengensis var. clausus Pilsbry, 1900 
Cambodia for Amphidromus xiengensis var. tryoni Pilsbry, 1900 
Laos for Amphidromus sinensis var. indistinctus Pilsbry, 1900 
Sulawesi for Amphidromus maculatus bungiensis Pilsbry, 1900 
Tasmania for Bothriembryon gunnii var. brachysoma Pilsbry, 1900