bajocian การใช้

• A valuable Aalenian-Bajocian locality affording a prime educational and research facility.
• A valuable Aalenian  Bajocian locality affording a prime educational and research facility.
• Haploceratoidea begins with all three families in the lower Middle Jurassic, Bajocian.
• This species was present in the Bajocian age ( about 170 mya ).
• This was uplifted in early Bajocian times.
• These cephalopods lived during from the Bajocian stage to the Bathonian age of the Middle Jurassic.
• These fast-moving nektonic carnivores lived during the Jurassic period, in the Bajocian age.
• It is about 170 million years old, from the Aalenian or Bajocian part of the Jurassic period.
• Currently, the oldest known ophthalmosaurid is " Mollesaurus " from the early Bajocian of Argentina.
• Fossils have been found from the Ca馻don Asfalto Formation in Chubut Province, Argentina, dating to the Bajocian.
• These fast-moving nektonic carnivores lived from the Bajocian age to the Bathonian age of the Middle Jurassic.
• These fast-moving nektonic carnivores lived during from the Bajocian age to the Bathonian age of the Middle Jurassic.
• Beneath these are, successively, Bajocian age limestones of the Inferior Oolite Group and sandstones of the Bridport Sand Formation.
• Currently, the oldest and the basalmost known ophthalmosaurine is " Mollesaurus " from the early Bajocian of Argentina.
• "Pelanechinus oolithicum " ( Hess, 1972 )  known from the Bajocian and Middle Jurassic of Switzerland.
• The top of the Aalenian ( the base of the Bajocian ) is at the first appearance of ammonite genus " Hyperlioceras ".
• The top of the Bajocian ( the base of the Bathonian ) is at the first appearance of ammonite species " Parkinsonia convergens ".
• The exposures are of Middle Jurassic sediments of the Aalenian and Bajocian Stages, and are nationally important for research of the period in the United Kingdom.
• The cuttings in the reserve show a sequence in the Bajocian stage and are considered to be one of the most accessible and best in the country.
• The base of the Bajocian stage is defined as the place in the stratigraphic column where fossils of the ammonite genus " Hyperlioceras " first appear.