tortonian造句

• It is from Tortonian to Pliocene ( younger than 11.6 Ma ).
• These were then covered with continental sediments by late Tortonian 7.2 Ma.
• The Tortonian roughly overlaps with the regional Pannonian stage of the Paratethys timescale of Central Europe.
• The Upper Miocene ( Tortonian and Messinian ) witnessed a drastic withdrawal of the sea to the west.
• A GSSP for the Tortonian has been established in the Monte dei Corvi section near Ancona ( Italy ).
• It is usually considered to overlap the Serravallian of the Middle Miocene epoch and Tortonian epoch of the Late Miocene.
• These deposits come from the Nawata Formation and the Nachukui Formation of the Tortonian age and Pliocene epoch, respectively.
• The base of the Tortonian stage is at the last common appearance of calcareous nannoplankton " Globigerinoides subquadratus ".
• The oldest comes from the Late Miocene ( Tortonian, some 7 to 12 million years ago ) of the Bah韆 Inglesa Formation in Chile.
• The helmeted curassows probably are a lineage of Late Miocene ( Tortonian & ndash; Messinian, about 8 7 million years ago ) origin.
• "Aulocetus latus ", known from a Tortonian-age formation in Portugal, is in need of the new generic name.
• The type and only species is " Brandtocetus chongulek " from the late Miocene ( Tortonian ) of the Kerch Peninsula in Crimea.
• "Garganornis " and the rest of the " Mikrotia " fauna has been dated to the Tortonian stage of the Late Miocene.
• The top of the Serravallian ( the base of the Tortonian stage ) is at the last common appearance of calcareous nannoplanktons " Globigerinoides subquadratus ".
• North south convergence of the Eurasian and African plates occurred during the middle Oligocene to the late Miocene, followed by northwest southeast convergence from the late Tortonian to present.
• A second species of " Acrophyseter ", " A . robustus ", is known from latest Serravallian-Tortonian deposits within the Pisco Formation.
• This clade originated in the Pacific Ocean in the Langhian ( 15-13 ma ) and diversified from there during the Serravallian and Tortonian ( 13-7 ma ).
• The holotype of this species is "'CASG 1733 "', a partial skull from the Late Miocene ( Tortonian ) Monterey Formation of Saucito Rancho, California.
• The great diversity of crocodylomorphs in this Miocene-age ( Tortonian stage, 8 million years ago ) wetland suggests that niche partitioning was efficient, which would have limited interspecific competition.
• The top of the Tortonian ( the base of the Messinian ) is at the first appearance of the planktonic foram species " Globorotalia conomiozea " and is stratigraphically in the middle of magnetic chronozone C3Br . 1r.