| | | Kind of type | Full locality |
| | | [not recorded as a type] | Southwestern U.S.A., Arizona: Portal |
| | | [not recorded as a type] | Southwestern U.S.A., Arizona: Chiricahua Mts. |
| | | [not recorded as a type] | Southwestern U.S.A., Arizona: Nugales |
| | | [not recorded as a type] | Southwestern U.S.A., Arizona, Graham County: Fort Grant |
| | | [not recorded as a type] | South-Central U.S.A., Texas: Big Bend Nat’l. Park, Chisos Mts., The Basin |
| | | holotype of species Microcentrum latifrons Spooner, 1989 | Southwestern U.S.A., Arizona: Portal |