| | | | Kind of type | Full locality |
| | | | unspecified primary type of species Udeopsylla robusta (Haldeman, 1850) | Northwestern U.S.A., Wyoming: Above Fort Laramie |
| | | | [not recorded as a type] | North-Central U.S.A., Illinois, Hardin County: 1.5 km E Cave in Rock, Cave-in-Rock State Park |
| | | | [not recorded as a type] | North-Central U.S.A., Illinois, Champaign County: Urbana |
| | | | [not recorded as a type] | North-Central U.S.A., Illinois, Champaign County: Champaign |
| | | | [not recorded as a type] | North-Central U.S.A., Illinois, Champaign County: Urbana |
| | | | [not recorded as a type] | North-Central U.S.A., Illinois, Champaign County: Urbana |
| | | | holotype of synonym Marsa arcuata Walker, 1869 | Western Canada, Saskatchewan |
| | | | syntype of synonym Ceuthophilus ater Scudder, 1902 | South-Central U.S.A., New Mexico: Las Vegas, Gallinas River |
| | | | syntype of synonym Udeopsylla compacta Bruner, 1891; lectotype of synonym Udeopsylla compacta Bruner, 1891 | North-Central U.S.A., Kansas, Barber County |
| | | | syntype of synonym Ceuthophilus devius Scudder, 1894; lectotype of synonym Ceuthophilus devius Scudder, 1894 | Upper Missouri and Yellowstone region |
| | | | holotype of synonym Daihinia gigantea Bruner, 1886 | North-Central U.S.A., Kansas, Labette County |
| | | | holotype of synonym Ceuthophilus niger Scudder, 1862 | North-Central U.S.A., Illinois: Rock Island |
| | | | syntype of synonym Udeopsylla nigra Scudder, 1862 | North-Central U.S.A., Minnesota: Red River |
| | | | unspecified primary type of synonym Ceuthophilus politus Scudder, 1902 | South-Central U.S.A., New Mexico, San Miguel County: Las Vegas |
| | | | [not recorded as a type] | Mexico Northeast, Hidalgo |
