Zonitoides minuscula alachuana (Dall).
Vitrea dalliana (‘Simpson’ Pils.).
Pupoides modicus (Pfr.).
Gastrocopta rupicola (Say).
Gastrocopta pellucida hordeacella (Pils.).
Gastrocopta tappaniana (C. B. Ads.)?
Gastrocopta pentodon (Say).
Vertigo milium (Gld.).
Melampus coffeus (L.).
Detracia bulloides (Mont.).