Abundance: 0.64 to 8.72% (median 3.30%)

Latitudinal range: 39.2° to 44.9°

Habitats: (6) only

Found in 6 samples

United States: Holly's Microsite (Late Palaeocene), North Fork of Owl Creek (UW V-79004) (Middle Eocene), Elderberry Canyon Quarry (Early Eocene), Green Locality (Early Eocene), Fantasia (Early Eocene), Jack Creek (Early Eocene)

See also Reithroparamys delicatissimus, Reithroparamys huerfanensis, Reithroparamys sp., Reithroparamys sp. small