Abundance: 0.36 to 5.39% (median 0.55%)

Latitudinal range: 41.5° to 51.1°

Habitats: (5) only

Found in 5 samples

Canada: Who Nose (Early Palaeocene)

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

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