Found in 24 samples
Canada: Keffer (Midden 57, screened) (Holocene), Irving-Johnston (Holocene), Spillsbury Bay (Holocene)
United States: Dust Cave (Zones T and U) (Holocene), Hulme Site (Holocene), McIntosh (Holocene), Lower Walnut Settlement (Holocene), Taddlock (Holocene), Fort Center Mound A (Holocene), McLelland (Holocene), Watson Brake (6.4 mm fraction) (Holocene), Harris Creek (Holocene), Hobson Site (Holocene), Edwin Harness Mound (Holocene), Coffey (Horizon III-5, KSU) (Holocene), Coffey (Horizon III-5, 1972-73) (Holocene), Prison Farm (Holocene), Pine Hill (Holocene), Cole Gravel Pit (Holocene), Scovill (Holocene), Meyer Cave (Holocene), Ten Mile Waterhole Creek (Middle Miocene), Farish Ranch (Late Miocene), WaKeeney (UM-K6-59) (Late Miocene)
See also Ictalurus catus, Ictalurus furcatus, Ictalurus lambda, Ictalurus melas, Ictalurus natalis, Ictalurus nebulosus, Ictalurus punctatus, Ictalurus sp., Ictalurus spp.