Cretaceous Albian 113.0 ± 1.0 100.5 ± 0.9 base: first occurrence of Praediscosphaera columnata Aube, France Aptian 121.4 ± 1.0 113.0 ± 1.0 base: magnetic...
95 KB (9,855 words) - 21:25, 17 September 2024
the Albian) is at the first appearance of coccolithophore species Praediscosphaera columnata in the stratigraphic record.[citation needed] In the Tethys...
10 KB (821 words) - 20:34, 28 February 2024