Pyramidellidae Gray, 1840
Odostomia (Pyrgulina) calvertensis
Odostomia (Pyrgulina) claibornensis
Pyrgulina decussata Adams, 1864
Pyrgulina edgarii Melvill, 1897
Pyrgulina epentroma Melvill, 1897
Pyrgulina maiae Hornung & Mermod, 1924
Pyrgulina melvilli Dautz. & Fischer, 1906
Pyrgulina oodes
Pyrgulina purpaeformis Souverbie, 1865
Pyrgulina tantilla Adams, 1864
Pyrgulina ventricosa Horning & Mermod, 1925
