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Triassic    

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  • Triassic - Wikipedia
    The Triassic ( traɪˈæsɪk ; sometimes symbolized as 🝈) is a geologic period and a stratigraphic system that spans 50 5 million years from the end of the Permian Period 251 902 Ma (million years ago) to the beginning of the Jurassic Period 201 4 Ma [8][9] The Triassic Period is the first and shortest geologic period of the Mesozoic Era, and the seventh period of the Phanerozoic Eon
  • Triassic Period | Plants, Animals, Major Events, Facts - Britannica
    Triassic Period, in geologic time, the first period of the Mesozoic Era, lasting from 252 million to 201 million years ago It marked the beginning of major changes that were to take place throughout the Mesozoic Era, particularly in the evolution of life and the distribution of continents and living things
  • The Triassic Period: the rise of the dinosaurs - Natural History Museum
    The Triassic was the first period of the Mesozoic Era Discover what animals lived in the Triassic Period, which were the first dinosaurs and what prehistoric plants they lived alongside
  • Triassic - New World Encyclopedia
    The Triassic period is an interval of about 51 million years defined on the geologic time scale as spanning roughly from 251 to 200 million years ago (mya) The period is noteworthy for a great increase in the biodiversity of both marine and continental life, beginning from the starkly impoverished biosphere that followed the Permian-Triassic extinction Corals of the hexacorallia group make
  • Triassic Period—251. 9 to 201. 3 MYA (U. S. National Park Service)
    Triassic age trace fossil of a horseshoe crab (Kouphichnium isp ), Petrified Forest National Park, Arizona NPS image Introduction In 1834 Fredrich von Alberti, a longtime official in the German salt-mining industry, introduced “Triassic” as a descriptive term for a sequence of rocks within a striking threefold division: red beds, topped by chalk, followed by black shale The term is thus
  • Triassic Period Facts and Information - National Geographic
    The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history Something—a bout of violent volcanic eruptions, climate change, or perhaps a fatal run-in with a
  • Triassic Period | Natural History Museum
    Triassic* flora and fauna differ significantly from the Permian biota lost to the greatest extinction event of the Phanerozoic Eon The differences in Permian and Triassic biota are so great that they also mark the transition between the Paleozoic and the Mesozoic Eras
  • The Triassic Period - University of California Museum of Paleontology
    The organisms of the Triassic can be considered to belong to one of three groups: holdovers from the Permo-Triassic extinction, new groups which flourished briefly, and new groups which went on to dominate the Mesozoic world The holdovers included the lycophytes, glossopterids, and dicynodonts While those that went on to dominate the Mesozoic world include modern conifers, cycadeoids, and
  • Triassic Period Facts: Climate, Animals Plants
    The Triassic period was the first period of the Mesozoic era and occurred between 251 9 million and 201 3 million years ago It followed the great mass extinction at the end of the Permian period
  • Triassic Period | Geology | Research Starters - EBSCO
    Triassic Period Introduction The Triassic period is the first of three periods that make up the Mesozoic era, along with the Jurassic and the Cretaceous It is noted as the age in which the reptiles rose to dominance following the great Permian (P–Tr) extinction, wherein the fossil record shows that as many as 95 percent of all species on the planet perished The earth's landforms consisted





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