Abundance: 0.36 to 5.39% (median 1.47%)

Latitudinal range: 41.5° to 46.2°

Habitats: (3) only

Found in 3 samples

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

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