United States: UMMP SC-4 (Early Eocene), UMMP SC-54 (Early Eocene)

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