Bulimus extinctus L. Pfeiffer, 1855 † accepted as Drymaeus elongatus f. extincta (L. Pfeiffer, 1854) † accepted as Mesembrinus elongatus f. extincta (L. Pfeiffer, 1854) † (original description)
Bulimus riisei L. Pfeiffer, 1855 accepted as Bulimulus riisei (L. Pfeiffer, 1855) (original description)
Chondropoma sanctacruzense L. Pfeiffer, 1855 (original description)
Cyclostoma basicarinatum L. Pfeiffer, 1855 accepted as Parachondria basicarinata (L. Pfeiffer, 1855) (original description)
Cyclostoma chordiferum L. Pfeiffer, 1855 accepted as Parachondria basicarinata (L. Pfeiffer, 1855) (original description)
Cylindrella camoensis L. Pfeiffer, 1855 accepted as Tetrentodon camoensis (L. Pfeiffer, 1855) (original description)
Cylindrella chordata L. Pfeiffer, 1855 accepted as Brachypodella chordata (L. Pfeiffer, 1855) (additional source)
Cylindrella cyclostoma L. Pfeiffer, 1855 accepted as Tetrentodon cyclostoma (L. Pfeiffer, 1855) (original description)
Cylindrella planospira L. Pfeiffer, 1855 accepted as Gongylostoma planospira (L. Pfeiffer, 1855) (original description)
Gongylostoma planospira planospira (L. Pfeiffer, 1855) (original description)
Helix sanctacruzensis L. Pfeiffer, 1855 (original description)
Helix transitoria L. Pfeiffer, 1855 (original description)
Pupa latilabris L. Pfeiffer, 1855 † accepted as Cerion rude (L. Pfeiffer, 1855) † (original description)
Pupa rudis L. Pfeiffer, 1855 accepted as Cerion rude (L. Pfeiffer, 1855) † (original description)

Cuba for Cylindrella camoensis L. Pfeiffer, 1855 
Cuba for Cylindrella planospira L. Pfeiffer, 1855 
Cuba for Gongylostoma planospira planospira (L. Pfeiffer, 1855) 
Cuba for Helix transitoria L. Pfeiffer, 1855 
Saint Croix for Bulimus extinctus L. Pfeiffer, 1855 † 
Saint Croix for Bulimus riisei L. Pfeiffer, 1855 
Saint Croix for Chondropoma sanctacruzense L. Pfeiffer, 1855 
Saint Croix for Helix sanctacruzensis L. Pfeiffer, 1855