Found in 3 samples

United States: Fossil Butte (FB-16) (Early Eocene), Buck Spring Quarries (B-2 horizon) (Early Eocene), Deadman Butte (Early Eocene)

See also Diacodexis, Diacodexis gazini, Diacodexis gigasei, Diacodexis ilicis, Diacodexis metsiacus, Diacodexis morrisi, Diacodexis sp., Diacodexis varleti