Abundance: 2.12 to 43.07% (median 4.93%)

Latitudinal range: 36.8° to 43.6°

Habitats: (4) only

Found in 4 samples

United States: Pratt Quarry (Middle Miocene), Red Basin (UOloc 2495) (Middle Miocene), Quartz Basin (UOloc 2465) (Middle Miocene), Whisenhunt Quarry (Late Miocene)

See also Eucastor planus, Eucastor progressus, Eucastor typicus