| | | Kind of type | Full locality |
| | | syntype of synonym Phrixocnemis socorrensis Rehn, 1905 | South-Central U.S.A., New Mexico, Socorro County: Magdalena Mountains |
| | | holotype of synonym Udeopsylla vierecki Rehn, 1902 | South-Central U.S.A., New Mexico, Otero County: Sacramento Mountains, Cloudcroft |
| | | syntype of synonym Phrixocnemis franciscanus Rehn, 1905 | Southwestern U.S.A., Arizona: Humphrey's Peak |
| | | lectotype of species Styracosceles neomexicanus (Scudder, 1894) | South-Central U.S.A., New Mexico: Fort Wingate |