P.  Moissette, ?Faunes de bryozoaires du Messinien d'Algerie occidentale?, Documents des Laboratoires de Géologie de la Faculté des Sciences de Lyon, vol. 102, 1988.

J. A.  Zalasiewicz, Mathers, S. J., Hughes, M. J., Gibbard, P. L., Peglar, S. M., Harland, R., Nicholson, R. A., Boulton, G. S., Cambridge, P., and Wealthall, G. P., ?Stratigraphy and Palaeoenvironments of the Red Crag and Norwich Crag Formations Between Aldeburgh and Sizewell, Suffolk, England?, Philosophical Transactions of the Royal Society B, vol. 322, 1988.

J. D. D.  Bishop, ?Disarticulated bivalve shells as substrates for encrustation by the bryozoan Cribrilina puncturata in the Plio-Pleistocene Red Crag of Eastern England?, Palaeontology, vol. 31, 1988.