Bonde, N. (1979)
Palaeoenvironment in the ‘North Sea’ as indicated by the fish bearing Mo-clay deposit (Paleocene/Eocene), Denmark. Mededelingen van de Werkgroep voor Tertiaire en Kwartaire Geologie, 16(1), 3–16
Bonde, N. (1966)
The Fishes of the Mo-Clay Formation (Lower Eocene). Meddelelser fra Dansk Geologisk Forening, 16, 198–202