Syodon (from Greek: kleio, "close, shut" and Greek: odon, "tooth", "closed-root tooth")[1] is an extinct genus of dinocephalian therapsids that lived approximately 267-260 million years ago during the middle Permian period of the Paleozoic era. These therapsids, discovered in Russia[2] were initially believed to be true mammals. Syodon was first named by Stephan Kutorga in 1838.[3] The fossils of these synapsids were first discovered in the Molotov Province region of Russia in limestone beds with a high content of copper. However, scientists believe that these organisms likely come from higher rock beds due to increased specializations in their morphology.[4]
^"Syodon". Paleofile. Archived from the original on April 14, 2023.
^"Palaeos Vertebrates Therapsida: Anteosauridae".
^Kutorga, S. S. 1838. Beitrag zur Kenntniss der organischen U ̈ berreste des Kupfersandsteins am Westlichen Abhange des Urals. St Petersburg. Gretsch, 38 pp.
^Olson, Everett C. "Catalogue of Localities of Permian and Triassic Terrestrial Vertebrates of the Territories of the USSR." The Journal of Geology 65.2 (1957): 196-226.
Syodon (from Greek: kleio, "close, shut" and Greek: odon, "tooth", "closed-root tooth") is an extinct genus of dinocephalian therapsids that lived approximately...
forms Syodon and Titanophoneus. Much later, Hopson and Barghusen argued that Brithopodidae should be discontinued and that the Russian taxa Syodon, Titanophoneus...
remarked that Cliorhizodon, which is now regarded as a junior synonym of Syodon, could not be distinguished from Dinosaurus. In 1954, Ivan Efremov synonymized...
Tarbosaurus efremovi, a Late Cretaceous theropod discovered in Ömnögov, Mongolia. Syodon efremovi, a Middle Permian therapsid from Isheevo locality, Tatarstan. The...
Karoo region of South Africa. The genus is closely related to the genus Syodon, found in the Russian Ischejewo fauna, and is thus regarded as the earliest...
the clade Syodontinae. Within this group it is with the Russian species Syodon biarmicum that Pampaphoneus shares the most similarities. Like the latter...
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