Abundance: 0.10 to 1.54% (median 0.28%)

Latitudinal range: 29.7° to 45.7°

Habitats: (3) only

Found in 3 samples

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

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