Abundance: 0.27 to 20.00% (median 3.25%)

Latitudinal range: 41.9° to 51.5°

Habitats: (11) only

Found in 11 samples

Belgium: Erquelinnes (Early Eocene)

France: Rians (Early Eocene)

United Kingdom: Abbey Wood (Early Eocene)

United States: UMMP SC-4 (Early Eocene), UMMP SC-54 (Early Eocene), UMMP SC-67 (Early Eocene), Fossil Butte (FB-16) (Early Eocene), Buck Spring Quarries (B-2 horizon) (Early Eocene), UCMP locality V77064 (Early Eocene), Deadman Butte (Early Eocene), Fantasia (Early Eocene)

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