Title: Comparative paleontology and stratigraphy of Valanginian Polyptychitinae and Simbirskitinae in Sverdrup Basin (Arctic Canada) and Lower Saxony Basin (northwest Germany)
First published: 1988
Subjects: Ammonoidea, Paleontology, Paleontology, Stratigraphic, Stratigraphic Paleontology
Places: Germany, Lower Saxony Basin, Nunavut, Sverdrup Basin
Time periods: Cretaceous
LC classification: QE185 .A43 no. 377, QE807.A5 .A43 no. 377