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Dimetrodon (/ d aɪ ˈ m iː t r ə ˌ d ɒ n / ⓘ [1] or / d aɪ ˈ m ɛ t r ə ˌ d ɒ n /; [2] lit. ' two measures of teeth ') is an extinct genus of non-mammalian synapsid belonging to the family Sphenacodontidae that lived during the Cisuralian age of the Early Permian period, around 295–272 million years ago.
Dimetrodon borealis, formerly known [1] as Bathygnathus borealis, is an extinct species of pelycosaur-grade synapsid that lived about 270 million years ago (Ma) in the Early Middle Permian.
The biggest carnivorous synapsid of Early Permian was Dimetrodon, which could reach 4.6 m (15 ft) and 250 kg (550 lb). [8] The largest members of the genus Dimetrodon were also the world's first fully terrestrial apex predators. [9]
Dimetrodon is an extinct genus of synapsid that lived during the Early Permian, around 299–270 million years ago (Ma). It is a member of the family Sphenacodontidae. The most prominent feature of Dimetrodon is the large sail on its back formed by elongated spines extending from the vertebrae. It walked on four legs and had a tall, curved ...
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A Dimetrodon appeared in the first film. A Tyrannosaurus that looks like Chomper's dad appeared in the opening narration of The Land Before Time II: The Great Valley Adventure. A trio of "Smallbiter Sharpteeth" (Ornitholestes) appeared in the opening narration to The Land Before Time III: The Time of the Great Giving.
The giant Dimetrodon depicted at the center of the Earth action sequence were actually rhinoceros iguanas with a large, glued-on make-up appliance added to their back. The giant chameleon seen later in the ruins of Atlantis scene was actually a painted Tegu lizard or a monitor lizard. [17]
Dimorphodon (/ d aɪ ˈ m ɔːr f ə d ɒ n / dy-MOR-fə-don) was a genus of medium-sized pterosaur from Europe during the early Jurassic Period (about 201-191 million years ago). [1] It was named by paleontologist Richard Owen in 1859.