Abundance: 2.00 to 2.27% (median 2.13%)

Latitudinal range: 40.7° to 41.1°

Habitats: (3) only

Found in 3 samples

United States: Donna's Locality (Middle Eocene), Natural Science (Middle Eocene), Sand Wash (Locality 3) (Middle Eocene)

See also Notharctus, Notharctus robinsoni, Notharctus sp., Notharctus tenebrosus, Notharctus venticolus