Found in one sample

Ecuador: Challuahamba (Holocene)

See also Sigmodon, Sigmodon alleni, Sigmodon alstoni, Sigmodon curtisi, Sigmodon fulviventer, Sigmodon hispidus, Sigmodon hudspethensis, Sigmodon mascotensis, Sigmodon medius, Sigmodon minor, Sigmodon sp., Sigmodon toltecus, Sigmodon zanjonensis