1. Anderton R. Bridges P. D. Leeder M. R. Sellwood B. W. 1979. A dynamic stratigraphy of the British Isles. George Allen & Unwin.
2. The Ataxophragmiidae of England: Part I, Albian-Cenomanian Arenobulimina and Crenaverneuilina;Barnard;Revista Espan∘ola Micropaleontol,1980
3. Taxionomische Revision und Nomenklator zu Franz E Hecht-Standard-Gliederung der Nordwestdeutschen Unterkreide Nach Foraminiferen-1938. Teil 4: Albian;Bartenstein;Senckenbergiana Leth,1965
4. Benthonic index foraminifera in the Lower Cretaceous of the northern hemisphere between East Canada and North West Germany;Bartenstein;Erdöl Kohle,1976
5. Practical applicability of a zonation with benthonic foraminifera in the world-wide Lower Cretaceous;Bartenstein;Geol. Mijnb,1976