Abundance: 1.34 to 1.96%

Latitudinal range: 44.1° to 44.3°

Habitats: (2) only

Found in two samples

United States: Fantasia (Early Eocene), Jack Creek (Early Eocene)

See also Notharctus, Notharctus robinsoni, Notharctus robustior, Notharctus tenebrosus, Notharctus venticolus