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  1. Dimetrodon - Wikipedia

    Dimetrodon (/ daɪˈmiːtrəˌdɒn / [1] or / daɪˈmɛtrəˌdɒn / ⓘ; [2] lit. 'two measures of teeth') is an extinct genus of sphenacodontid synapsid that lived during the Cisuralian (Early Permian) …

  2. 10 Facts About Dimetrodon, the Non-Dinosaur Dinosaur

    May 11, 2025 · Dimetrodon lived millions of years before dinosaurs and is actually a prehistoric reptile. Dimetrodon is known for its big sail, which it used to control its body temperature. …

  3. Dimetrodon | Sail-Backed Reptile, Prehistoric Predator | Britannica

    Dimetrodon, (genus Dimetrodon), extinct relative of primitive mammals that is characterized by a large, upright, sail-like structure on its back. Dimetrodon lived from about 286 million to 270 …

  4. Dimetrodon | What's in a Name? - Harvard University

    Dimetrodon, which means “two measures of teeth,” was aptly named for its toothy grin. This genus of top predators used their mouth full of both large and small, conical teeth to grab, grip, …

  5. Dimetrodon Facts, Species, Discovery, Behavior and Adaptation

    Apr 4, 2022 · Dimetrodon is a genus of extinct synapsid that lived around 295–272 million years ago. It belongs to the family Sphenacodontidae. The genus was first described in 1878, and …

  6. Dimetrodon Guide - Dinosaur.org

    If you’re exploring Dimetrodon, you’re examining a pivotal synapsid from the Early Permian period, predating dinosaurs by roughly 40 million years. This creature’s distinctive sail aids in …

  7. Dimetrodon - Wikiwand

    Dimetrodon (/ daɪˈmiːtrəˌdɒn / [1] or / daɪˈmɛtrəˌdɒn / ⓘ; [2] lit. 'two measures of teeth') is an extinct genus of sphenacodontid synapsid that lived during the Cisuralian (Early Permian) …

  8. Dimetrodon Animal Facts - Dimetrodon limbatus - A-Z Animals

    May 27, 2024 · Dimetrodon is an extinct, mammal-like animal that lived during the Early Permian Period, around 295–272 million years ago. Several ancient animal fossils have been …

  9. Dimetrodon: The Supreme Predator Before the Dinosaurs

    Feb 14, 2025 · However, long before dinosaurs ruled the Earth, Dimetrodon was the king of its ecosystem. This impressive carnivore, easily recognizable by its large sail-like structure on its …

  10. Dimetrodon - Dinosaur Park

    Dimetrodon is often mistaken as a dinosaur, but this Permian Era creature actually went extinct around 40 million years before the first dinosaurs appeared in the Triassic Period.