Abundance: 0.27 to 20.00% (median 3.01%)

Latitudinal range: 41.9° to 51.5°

Habitats: (12) only

Found in 12 samples

Belgium: Erquelinnes (Early Eocene)

France: Rians (Early Eocene), Mas de Gimel (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., Diacodexis varleti