| Spiraxis parvulus (Chitty, 1853) | |
| Fadyenia lindsleyana lindsleyana (C. B. Adams, 1849) | |
| Spiraxis terebella (C. B. Adams, 1849) | |
| Fadyenia lindsleyana jayana (C. B. Adams, 1849) | |
| Spiraxis inusitatus (C. B. Adams, 1849) | |
| Fadyenia loweana (Chitty, 1857) | |
| Costavarix adamsianus (Chitty, 1853) | |
| Fadyenia lukisiana (Chitty, 1857) | |
| Costavarix chittyanus (Pilsbry, 1907) | |
| Fadyenia macandrewiana (Chitty, 1857) | |
| Costavarix costulatus (C. B. Adams, 1845) | |
| Fadyenia macgillivrayana (Chitty, 1857) | |
| Costavarix davidensis (Pilsbry, 1907) | |
| Fadyenia metcalfeiana (Chitty, 1857) | |
| Costavarix gossei (Pfeiffer, 1846) | |
| Fadyenia morchiana (Chitty, 1857) | |
| Costavarix lioderma (Pilsbry, 1907) | |
| Fadyenia moricandiana (C. B. Adams, 1851) | |
| Costavarix mandevillensis (Pilsbry, 1907) | |
| Fadyenia moussoniana (Chitty, 1857) | |
| Costavarix osculans (C. B. Adams, 1850) | |
| Fadyenia newcombiana (Chitty, 1857) | |
Euvaricella angiostoma (C. B. Adams, 1849)  | |
| Fadyenia oweniana (Chitty, 1857) | |
| Euvaricella arcuata arcuata (Pfeiffer, 1846) = Euvaricella arcuata (Pfeiffer, 1846) | |
| Fadyenia petitiana (C. B. Adams, 1851) | |
| Euvaricella arcuata paradisi (H. B. Baker, 1935) | |
| Fadyenia pickeringiana (Chitty, 1857) | |
| Euvaricella biplicatula biplicatula (Pilsbry, 1907) | |
| Fadyenia poeyana (Chitty, 1857) | |
| Euvaricella biplicatula dissimilis (Pilsbry, 1909) | |
| Fadyenia polyblankiana (Chitty, 1857) | |
| Euvaricella biplicatula longior (Pilsbry, 1909) | |
| Fadyenia redfieldiana (C. B. Adams, 1849) | |
| Euvaricella castanea (H. B. Baker, 1935) | |
| Fadyenia reeveana (Chitty, 1857) | |
| Euvaricella clappi (Pilsbry, 1907) | |
| Fadyenia riiseana (Chitty, 1857) | |
| Euvaricella cochlidium (Pilsbry, 1907) | |
| Fadyenia salleana (Chitty, 1857) | |
| Euvaricella levis (C. B. Adams, 1849) | |
| Fadyenia shuttleworthiana (Chitty, 1857) | |
| Euvaricella longispira (C. B. Adams, 1850) | |
| Fadyenia sinclairiana (Chitty, 1857) | |
| Euvaricella nemorensis (C. B. Adams, 1849) | |
| Fadyenia stevensiana (Chitty, 1857) | |
| Euvaricella nitida (C. B. Adams, 1850) | |
| Fadyenia stokesiana (Chitty, 1857) | |
| Euvaricella pellucens (C. B. Adams, 1845) | |
| Fadyenia stricklandiana (Chitty, 1857) | |
| Euvaricella phillipsii (C. B. Adams, 1845) | |
| Fadyenia swiftiana (Chitty, 1857) | |
| Euvaricella similaris Pilsbry, 1907 | |
| Fadyenia tappaniana (C. B. Adams, 1851) | |
| Euvaricella solitaria (C. B. Adams, 1851) | |
| Fadyenia tayloriana (Chitty, 1857) | |
| Euvaricella spina (Pilsbry, 1907) | |
| Fadyenia trailliana (Chitty, 1857) | |
| Euvaricella taylori (Vendryes, 1901) | |
| Fadyenia troscheliana (Chitty, 1857) | |
| Euvaricella venusta (Pfeiffer, 1841) | |
| Fadyenia verreauxiana (Chitty, 1857) | |
| Sigmataxis annae (Pilsbry, 1907) | |
| Fadyenia wollastoniana (Chitty, 1857) | |
| Sigmataxis brevis (C. B. Adams, 1851) | |
| Fadyenia woodwardiana (Chitty, 1857) | |
| Sigmataxis calus (Pilsbry, 1907) | |
| Lewisia philippiana (C. B. Adams, 1851) | |
| Sigmataxis cylindricus (H. B. Baker, 1935) = Sigmataxis cylindrica (H. B. Baker, 1935) | |
| Stoastoma livesayanum Chitty, 1857 | |
| Sigmataxis laeviusculus (C. B. Adams, 1845) = Sigmataxis laeviuscula (C. B. Adams, 1845) | |
| Stoastoma pfeifferianum C. B. Adams, 1849 | |
| Sigmataxis macrospira (C. B. Adams, 1851) | |
| Stoastoma pisum C. B. Adams, 1849 | |
| Sigmataxis micans (C. B. Adams, 1849) | |
| Wilkinsonaea abbottiana Chitty, 1857 | |
| Sigmataxis nitidiuscula (C. B. Adams, 1849) | |
| Wilkinsonaea adamsiana (Chitty, 1857) | |
| Sigmataxis parallelus (Pilsbry, 1907) = Sigmataxis parallela (Pilsbry, 1907) | |
| Wilkinsonaea agassiziana (C. B. Adams, 1851) | |
| Sigmataxis pauperculus pauperculus (C. B. Adams, 1849) = Sigmataxis paupercula paupercula (C. B. Adams, 1849) | |
| Wilkinsonaea greenwoodiana Chitty, 1857 | |
| Sigmataxis pauperculus tumens (H. B. Baker, 1935) = Sigmataxis paupercula tumens (H. B. Baker, 1935) | |
