Lower Cretaceous foraminifera from the Speeton clay of Yorkshire
(1966)
Thesis
Fletcher, B. N. (1966). Lower Cretaceous foraminifera from the Speeton clay of Yorkshire. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4218186
One hundred and five species of foraminifera from the D, C and Lower B beds, representing the Berriasian, Valanginian, Hauterivian and lower Barremian stages of the Lower Cretaceous Speeton clays are described. The need for accurate localisation of s... Read More about Lower Cretaceous foraminifera from the Speeton clay of Yorkshire.