Abundance: 0.10 to 1.54%

Latitudinal range: 29.7° to 45.7°

Habitats: (2) only

Found in two samples

United States: Anceney (Early Miocene), Cueva Quebrada (Late Pleistocene)

See also Perognathus, Perognathus amplus, Perognathus ancenensis, Perognathus flavescens, Perognathus flavus, Perognathus formosus, Perognathus hispidus, Perognathus huastecensis, Perognathus longimembris, Perognathus merriami, Perognathus parvus