Latitudinal range: 40.4° to 49.7°

Found in 4 samples

Canada: Kealey Springs West (Late Eocene)

United States: Rabbit Graveyard (Green Marker Level) (Early Oligocene), Bloom Basin (BADL-LOC-0293) (Early Oligocene), Dry Gulch Creek Member (SDSNH Locality 5939) (Middle Eocene)

See also Adjidaumo craigi, Adjidaumo lophatus, Adjidaumo maximus, Adjidaumo minutus