Abundance: 0.21 to 0.68% (median 0.46%)

Latitudinal range: 28.1° to 33.2°

Habitats: (4) only

Found in 4 samples

United States: Ardis (Late Pleistocene), Zesch Cave (Late Pleistocene), Saber-tooth Cave (Late Pleistocene), Golf Course (Late Pleistocene)

See also Synaptomys, Synaptomys borealis, Synaptomys cooperi, Synaptomys sp.