Taxa Count: 8
PSEPHENIDAE
Psephenus arizonensis Brown and Murvosh, 1974
Psephenus haldemani Horn, 1870
Psephenus herricki DeKay, 1844
Psephenus minckleyi Brown and Murvosh, 1974
Psephenus montanus Brown and Murvosh, 1974
Psephenus murvoshi Brown, 1970
Psephenus texanus Brown & Arrington, 1967