Abundance: 0.36 to 5.39% (median 1.01%)

Latitudinal range: 41.5° to 51.1°

Habitats: (4) only

Found in 4 samples

Canada: Who Nose (Early Palaeocene)

United States: Douglass Quarry (Middle Palaeocene), Rock Bench Quarry (Early Palaeocene), Big Multi Quarry (Late Palaeocene)

See also Chriacus, Chriacus badgleyi, Chriacus baldwini, Chriacus calenancus, Chriacus oconostotae, Chriacus pelvidens, Chriacus punitor