Humboldtiana pilsbryi G.A. Solem, 1954 Mexico, Tamaulipas
Humboldtiana pinicola F.G. Thompson& B.A. Brewer, 1999 Mexico, Queretaro
Polyomphala plana (A. Metcalf& D.H. Riskind, 1976) Mexico, Saltillo
Humboldtiana porterae F.G. Thompson& B.A. Brewer, 1999 Mexico, Nuevo León
Humboldtiana potosiana H.A. Pilsbry, 1927 Mexico, San Luis Potosì
Clydonacme princeps F.G. Thompson, 2006 Mexico, Chihuahua
Humboldtiana queretaroana (W.H. Dall, 1897) Mexico, Queretaro
Clydonacme regula F.G. Thompson, 2006 Mexico, Chihuahua
Humboldtiana riskindi W. Fullington& E.G. Zimmermann, 1977 Mexico, Saltillo
Humboldtiana salviahispanica K. Mejia, E. Naranjo-Garcia& O.J. Polaco, 2006
Clydonacme spectabile F.G. Thompson, 2006 Mexico, Chihuahua
Humboldtiana striata J.B. Burch& F.G. Thompson, 1957 Mexico
Humboldtiana sylvania F.G. Thompson & K. Mejia,2005 Mexico, Chihuahua
Aglotrochus tanymastix F.G. Thompson, 2006 Mexico, Chihuahua
Humboldtiana taylori M. Drake, 1951 Mexico, Saltillo
Humboldtiana tescola F.G. Thompson, 1967 Mexico34,6 mm
Humboldtiana texana H.A. Pilsbry, 1927 USA, Texas
Humboldtiana thompsoni K. Mejia, E. Naranjo-Garcia& O.J. Polaco, 2006
Clydonacme titania F.G. Thompson, 2006 Mexico, Chihuahua
Humboldtiana torrei H.A. Pilsbry, 1935 Mexico, Chihuahua
Humboldtiana ultima H.A. Pilsbry, 1927 USA, New Mexico30,8 mm