Abundance: 0.06 to 1.45% (median 0.65%)

Latitudinal range: 41.5° to 51.1°

Habitats: (4) only

Found in 4 samples

Canada: Who Nose (Early Palaeocene)

United States: Big Multi Quarry (Late Palaeocene), Divide Quarry (Middle Palaeocene), Croc Tooth Quarry (Late Palaeocene)

See also Cyriacotherium argyreum, Cyriacotherium psamminum, Cyriacotherium sp.