Humboldtiana pilsbryi G.A. Solem, 1954
Humboldtiana pinicola F.G. Thompson & B.A. Brewer,1999
Polyomphala plana (A. Metcalf & D.H. Riskind,1976)
Humboldtiana porterae F.G. Thompson & B.A. Brewer,1999
Humboldtiana potosiana H.A. Pilsbry, 1927
Clydonacme princeps F.G. Thompson, 2006
Humboldtiana queretaroana (W.H. Dall, 1897)
Clydonacme regula F.G. Thompson, 2006
Humboldtiana riskindi W. Fullington& E.G. Zimmermann, 1977
Humboldtiana salviahispanica K. Mejia, E. Naranjo-Garcia& O.J. Polaco, 2006
Clydonacme spectabile F.G. Thompson, 2006
Humboldtiana striata J.B. Burch & F.G. Thompson,1957
Humboldtiana sylvania F.G. Thompson & K. Mejia,2005
Aglotrochus tanymastix F.G. Thompson, 2006
Humboldtiana taylori M. Drake, 1951
Humboldtiana tescola F.G. Thompson, 1967
Humboldtiana texana H.A. Pilsbry, 1927
Humboldtiana thompsoni K. Mejia, E. Naranjo-Garcia& O.J. Polaco, 2006
Clydonacme titania F.G. Thompson, 2006
Humboldtiana torrei H.A. Pilsbry, 1935
Humboldtiana ultima H.A. Pilsbry, 1927