| | | Kind of type | Full locality |
| | | syntype of synonym Sphenarium ictericum Gerstaecker, 1873; lectotype of synonym Sphenarium ictericum Gerstaecker, 1873 | Mexico |
| | | syntype of species Sphenarium mexicanum Saussure, 1859; lectotype of species Sphenarium mexicanum Saussure, 1859 | Mexico Gulf, Veracruz |
| | | holotype of synonym Opomala crassipes Walker, 1870 | Mexico Gulf, Veracruz |
| | | syntype of synonym Sphenarium bolivari Bruner, 1906; lectotype of synonym Sphenarium bolivari Bruner, 1906 | Mexico Southwest, Oaxaca: Tehuantepec, Salina Cruz |
| | | syntype of synonym Sphenarium marginatum Bruner, 1906; lectotype of synonym Sphenarium marginatum Bruner, 1906 | Mexico Gulf, Veracruz: Orizaba |
| | | holotype of synonym Sphenarium magnum Márquez Mayaudón, 1962 | Mexico |
| | | paratype of synonym Sphenarium marginatum Bruner, 1906; lectoallotype of synonym Sphenarium marginatum Bruner, 1906 | Mexico Gulf, Veracruz: Medellin |
| | | syntype of synonym Sphenarium marginatum Bruner, 1906; paralectotype of synonym Sphenarium marginatum Bruner, 1906 | Mexico Gulf, Veracruz: Cordoba |
| | | [not recorded as a type] | Mexico Southwest, Oaxaca |
| | | syntype of species Sphenarium mexicanum Saussure, 1859; paralectotype of species Sphenarium mexicanum Saussure, 1859 | Mexico Gulf, Veracruz |
| | | [not recorded as a type] | Mexico Gulf, Veracruz: near Sontecomapan 10 mi E. Catemaco |
| | | [not recorded as a type] | Mexico Gulf, Veracruz: Puente Coatzacoalcos 2 Minatitlán Carr 145D |
| | | [not recorded as a type] | Mexico Southwest, Oaxaca: Tehuantepec, Carr. 190 Km 244 |