Abundance: 0.25 to 2.74%

Latitudinal range: 29.0° to 31.6°

Habitats: (2) only

Found in two samples

United States: Inglis 1C (Early Pleistocene), Wolf Ranch (Late Pliocene)

See also Sigmodon, Sigmodon alleni, Sigmodon alstoni, Sigmodon fulviventer, Sigmodon hispidus, Sigmodon inopinatus, Sigmodon mascotensis, Sigmodon minor, Sigmodon sp., Sigmodon toltecus, Sigmodon zanjonensis