| | | Kind of type | Full locality |
| | | lectotype of synonym Aplopus mayeri Caudell, 1905; holotype of synonym Aplopus mayeri Caudell, 1905 | Southeastern U.S.A., Florida: Loggerhead Key |
| | | lectotype of species Haplopus scabricollis (Gray, 1835); syntype of species Haplopus scabricollis (Gray, 1835) | Unknown, possibly Bahamas |
| | | syntype of synonym Aplopus similis Rehn, 1904 | Caribbean: Swan Island |
| | | syntype of synonym Aplopus similis Rehn, 1904 | Caribbean: Swan Island |
| | | paralectotype of synonym Aplopus mayeri Caudell, 1905; paratype of synonym Aplopus mayeri Caudell, 1905 | Southeastern U.S.A., Florida: Loggerhead Key |
| | | paralectotype of species Haplopus scabricollis (Gray, 1835); syntype of species Haplopus scabricollis (Gray, 1835) | Unknown, possibly Bahamas |