Latitudinal range: 41.9° to 47.7°

Found in 3 samples

United States: Z-Line Quarry East (Early Palaeocene), Ferris Formation (UW locality V-91004) (Early Palaeocene), Ferris Formation (UW locality V-91025) (Early Palaeocene)

See also Thylacodon montanensis, Thylacodon pusillus