| 21. | Northern and central Arkansas was a terrestrial environment during the Triassic.
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| 22. | Texas was home to a massive river system during the Triassic.
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| 23. | During the early Mesozoic, Triassic pelecypods were common Washington inhabitants.
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| 24. | They became extinct during the Permian Triassic extinction event } }.
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| 25. | But at the dawn of the Triassic, the worst was over.
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| 26. | The African and Eurasian plates during the Late Triassic and Early Jurassic.
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| 27. | It is a natural hill of Triassic sandstone capped by Keuper marl.
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| 28. | Gymnosperms show evidence for biotic pollination as early as the Triassic period.
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| 29. | The Rhynchocephalia originated by the Middle Triassic period and were distributed worldwide.
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| 30. | In the Late Triassic, ichthyosaurs attained the peak of their diversity.
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