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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) epoch of the …

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

    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. There are over 15 …

  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 million years …

  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, stab, and tear …

  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 since then, …

  6. 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 discovered in the …

  7. Dimetrodon Guide - Dinosaur.org

    Dimetrodon is a mammalian synapsid from the Early Permian period, predating dinosaurs by about 40 million years. It features a distinctive sail used for thermoregulation and insulation in swampland …

  8. Dimetrodon - Pictures and Facts

    Dimetrodon is an extinct synapsid which lived approximately 295 million to 272 million years ago during the Permian Period. It was first discovered during the 19th century and was named by Edward …

  9. 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) epoch of the …

  10. Dimetrodon - Jurassic Parts Museum

    There are actually several species of Dimetrodon, ranging in size from 60 centimeters in length to 4.6 meters in length. Our first specimen, a partial femur, comes from one of the middle sized species, …