| | | Kind of type | Full locality |
| | | [not recorded as a type] | Southwestern U.S.A., Utah: Leamington |
| | | [not recorded as a type] | Southwestern U.S.A., California, Mono County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Churchill County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Elko County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Eureka County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Humboldt County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Lander County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Lyon County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Pershing County |
| | | [not recorded as a type] | Northwestern U.S.A., Oregon, Malheur County |
| | | [not recorded as a type] | Southwestern U.S.A., Utah, Millard County |
| | | holotype of synonym Idiostatus hendersoni Hebard, 1939 | Southwestern U.S.A., Utah: Leamington |
| | | neotype of synonym Steiroxys hermannii Thomas, 1875 | Southwestern U.S.A., Nevada: Seven Troughs Mountains |