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 …

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 ago, during the Permian Period, and fossils of …

2019年8月16日 · Dimetrodon was a sail-backed reptile that lived tens of millions of years before the first dinosaurs evolved. Here are 10 fascinating Dimetrodon facts.

Dimetrodon (pronounced dī mě trĭdŏn) was a dinosaur-like reptilian creature known as a pelycosaur. Pelycosaurs lived before dinosaurs in the Permian period, while dinosaurs lived some 50 million years later, during the Mesozoic Era.

2020年9月17日 · The Dimetrodon is a predatory carnivore that lived during the Permian period, 280 - 260 million years ago. Although they are sometimes grouped with dinosaurs, the dimetrodon was more closely related to mammals than to true reptiles.

Dimetrodon was a genus of non-reptilian Pelycosaur (early Synapsida) from the first part of the Early Permian period (about 295–272 million years ago). Fossils. Dimetrodon walked on four legs and had a tall, curved skull with large teeth of different sizes …

2022年4月4日 · 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, more than a dozen species have been assigned to this genus.

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 the flesh of its prey–usually the large amphibians of their day.

Dimetrodon was one of the earliest relatives of mammals. The large "sail" on its back may have been used for temperature regulation, to attract mates, or to frighten off other animals. Dimetrodon is a member of a group called synapsids. Behind the eye socket in its skull is the synapsid opening.

2024年5月27日 · 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 southwestern part of the US. Although it is commonly mistaken for a dinosaur, the Dimetrodon is older than the earliest dinosaurs by about 40 million years.