Haplocion mesolia (Pilsbry, 1912) | 
Holospira arizonensis emigrans Pilsbry & Ferriss, 1910 | 
Holospira arizonensis Stearns, 1906 | 
Holospira bilamellata Dall, 1895 | 
Holospira bilamellata heliophila Pilsbry, 1915 | 
Holospira bilamellata media Pilsbry, 1915 | 
Holospira campestris Pilsbry & Ferriss, 1915 | 
Holospira chiricahuana Pilsbry, 1905 |
Holospira cionella capillacea Pilsbry & Ferriss, 1905 | 
Holospira cionella intermedia Pilsbry & Ferriss, 1910 | 
Holospira cionella Pilsbry, 1905 | 
Holospira cockerelli Dall, 1897 | 
Holospira crossei Dall, 1895 | 
Holospira danielsi cochisei Pilsbry & Ferriss, 1915 | 
Holospira danielsi Pilsbry & Ferriss, 1915 | 
Holospira ferrissi fossor Pilsbry & Ferriss, 1915 |
Holospira ferrissi Pilsbry, 1905 | 
Holospira goldfussi (Menke, 1847) | 
Holospira hamiltoni Dall, 1897 | 
Holospira mesolia Pilsbry, 1912 | 
Holospira millestriata Pilsbry & Ferriss, 1915 | 
Holospira montivaga Pilsbry, 1946 | 
Holospira riograndensis Pilsbry, 1946 | 
Holospira whetstonensis Pilsbry & Ferriss, 1923 |
Holospira yucatensis Bartsch, 1906 | 
Metastoma roemeri (L. Pfeiffer, 1848) | 
Metastoma roemeri minor (T. D. A. Cockerell, 1898) | | | | | |
