Found in 4 samples

Canada: Son of Burr (Early Palaeocene), Narcissus (Early Palaeocene)

United States: Gidley Quarry (Early Palaeocene), Silberling Quarry (Early Palaeocene)

See also Chriacus, Chriacus badgleyi, Chriacus baldwini, Chriacus calenancus, Chriacus oconostotae, Chriacus pelvidens, Chriacus sp.