stratigraphic intervals Count: [*†*] 2; †295 (System) †Cretaceous (145.0 - 66.0 Ma) Count: [†*] †42 1 (Series) †Upper (100.5 - 66.0 Ma) Count: [†*] †20 3 (Series) †Lower (145.0 - 100.5 Ma) Count: [†*] †20