 Eremarionta rowelli mexicana (Pilsbry & Lowe, 1934) |  Eremarionta rowelli rowelli (Newcomb, 1865) |  Herpeteros inglesiana (S.S.Berry, 1928) |
 Herpeteros peninsularis (Pilsbry, 1916) |  Humboldtiana hogeana (von martens, 1892) |  Humboldtiana montezuma Pilsbry, 1940 |
 Humboldtiana tescola Thompson, 1967 |  Lysinoe ghiesbreghti (Nyst, 1841) |  Lysinoe ghiesbreghti rufozonata (Martens, 1892) |
 Micrarionta guadalupiana (Dall, 1898) |  Micrarionta guadaluplana (Pilsbry & Vanatta, 1898) |  Radiocentrum discus Christensen and Miller, 1976 |
 Sonorella burgessi Naranjo-Garcia, 1988 |  Sonorella magdalenensis (Stearns, 1890) |  Sonorella nixoni W.B.Miller, 1967 |
 Sonorella rothi Naranjo-Garcia, 1988 |  Sonorella seri Naranjo-Garcia, 1988 |  Sonorella sitiens montezuna Pilsbry & Ferriss, 1915 |
 Xerarionta areolata (Pfeiffer, 1845) |  Xerarionta areolata arida (Pilsbry, 1913) |  Xerarionta areolata scammoni (Pilsbry, 1913) |
 Xerarionta canescens (Adams & Reeve, 1848) |  Xerarionta cf. areolata (Pfeiffer, 1845)† |  Xerarionta levis (Pfeiffer, 1845) |
 Xerarionta pandorae (Forbes, 1850) |  Xerarionta sp. 77082 |  Xerarionta stearnsiana (Gabb, 1868) |
 Xerarionta veatchii (Tryon, 1866) | | |