end-Triassic extinction: Quick Facts

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Facts

Also Known As	Triassic-Jurassic extinction

Photos and Videos

Line graph showing the number of marine animal families from the Precambrian era to the present, with illustrations of key groups such as trilobites, ammonoids, marine reptiles, and diatoms. The graph highlights major extinction events and a rise to 1,900 living families today.

Multiple spiral-shaped ammonite fossils embedded in a rough rock matrix, showing detailed ridges and whorls against a black background.

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Topics

Triassic Period conodont crurotarsan ammonoid mass extinction event Permian extinction K–T extinction Devonian extinctions Ordovician-Silurian extinction Major Mass Extinctions

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Triassic Period: End-Triassic extinctions