stratigraphic intervals
Count: [*†*] 2; †295
   (System) †Jurassic (201.3 - 145.0 Ma)
  Count: [†*] †37
     (Series) †Upper (163.5 - 145.0 Ma)
    Count: [†*] †10
       1 (Stage) †Tithonian (152.1 - 145.0 Ma)
      Count: [†*] †2
       2 (Stage) †Kimmeridgian (157.3 - 152.1 Ma)
      Count: [†*] †2
       3 (Stage) †Oxfordian (163.5 - 157.3 Ma)
      Count: [†*] †3