Anteosaurs
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Anteosaurs
Anteosaurs are a group of large, primitive carnivorous dinocephalian therapsids with large canines and incisors and short limbs, that are known from the Middle Permian of South Africa, Russia, China, and Brazil. Some grew very large, with skulls long, and were the largest predators of their time. They died out at the end of the Middle Permian, possibly as a result of the extinction of the herbivorous Tapinocephalia on which they may have fed. Description The Anteosauria are distinguished from the Tapinocephalia by several features, such as very large canines, cheek teeth with bulbous crowns, and an upturning of the premaxilla, so that the front of mouth curves strongly upwards. There is a tendency especially in more advanced forms such as '' Anteosaurus'' towards thickening of the bones of the top of the skull, indicating head-butting behavior. There is a large canal for the pineal organ (third eye); probably tied in with the animal's diurnal and seasonal cycles. The shoul ...
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Anteosaurus
''Anteosaurus'' (meaning "Antaeus lizard") is an extinct genus of large carnivorous dinocephalian synapsid. It lived at the end of the Guadalupian (= Middle Permian) during the Capitanian age, about 265 to 260 million years ago in what is now South Africa. It is mainly known by cranial remains and few postcranial bones. Measuring long and weighing about , ''Anteosaurus'' was the largest known carnivorous synapsid, non-mammalian synapsid and the largest terrestrial predator of the Permian period. Occupying the top of the food chain in the Middle Permian, its skull, jaws and teeth show adaptations to capture large prey like the giants Titanosuchidae, titanosuchids and Tapinocephalidae, tapinocephalids dinocephalians and large Pareiasauromorpha, pareiasaurs. As in many other dinocephalians the cranial bones of ''Anteosaurus'' are pachyostosis, pachyostosed, but to a lesser extent than in tapinocephalid dinocephalians. In ''Anteosaurus'', pachyostosis mainly occurs in the form of hor ...
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Archaeosyodon DB
''Archaeosyodon'' is an extinct genus of dinocephalian therapsids. It was medium-sized, reaching about 1.5–2 m (4–5 ft) in length. See also * List of therapsids This list of therapsids is an attempt to create a comprehensive listing of all Genus, genera that have ever been included in the Therapsida excluding mammals and purely vernacular terms. The list includes all commonly accepted genera, but also gene ... References Anteosaurs Prehistoric therapsid genera Permian synapsids of Asia Prehistoric synapsids of Europe Guadalupian synapsids Fossil taxa described in 1960 Guadalupian genus first appearances Guadalupian genus extinctions {{paleo-therapsid-stub ...
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Titanophoneus
''Titanophoneus'' ("titanic murderer") is an extinct genus of carnivorous dinocephalian therapsid from the Middle Permian. It is classified within the family Anteosauridae. The type species is ''Titanophoneus potens''. Remains of ''Titanophoneus'' have been found at Isheevo, Russia. Description An adult skull would have reached 80 cm with a heavy long snout. The long tail and short limbs show the species to be a primitive therapsid, unlike '' Inostrancevia,'' which was more advanced. The structure of the limbs and the density of the bone are designed for a sprawling stance. The temporal opening is more advanced than Estemmenosuchidae, but less advanced than ''Inostrancevia''. The teeth are large with 12 large palate incisors followed by 2 canines and various smaller back teeth. The lower palate is the same as the upper but without the canine teeth. The appearance of ''Titanophoneus'' is reminiscent to the sphenacodontid pelycosaurs, which included '' Dimetrodon''. Ga ...
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Titanophoneus Moscow
''Titanophoneus'' ("titanic murderer") is an extinct genus of carnivorous dinocephalian therapsid from the Middle Permian. It is classified within the family Anteosauridae. The type species is ''Titanophoneus potens''. Remains of ''Titanophoneus'' have been found at Isheevo, Russia. Description An adult skull would have reached 80 cm with a heavy long snout. The long tail and short limbs show the species to be a primitive therapsid, unlike ''Inostrancevia,'' which was more advanced. The structure of the limbs and the density of the bone are designed for a sprawling stance. The temporal opening is more advanced than Estemmenosuchidae, but less advanced than ''Inostrancevia''. The teeth are large with 12 large palate incisors followed by 2 canines and various smaller back teeth. The lower palate is the same as the upper but without the canine teeth. The appearance of ''Titanophoneus'' is reminiscent to the sphenacodontid pelycosaurs, which included ''Dimetrodon''. Gallery F ...
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Anteosaurus Magnificus BW Lateral
''Anteosaurus'' (meaning "Antaeus lizard") is an extinct genus of large carnivorous dinocephalian synapsid. It lived at the end of the Guadalupian (= Middle Permian) during the Capitanian age, about 265 to 260 million years ago in what is now South Africa. It is mainly known by cranial remains and few postcranial bones. Measuring long and weighing about , ''Anteosaurus'' was the largest known carnivorous non-mammalian synapsid and the largest terrestrial predator of the Permian period. Occupying the top of the food chain in the Middle Permian, its skull, jaws and teeth show adaptations to capture large prey like the giants titanosuchids and tapinocephalids dinocephalians and large pareiasaurs. As in many other dinocephalians the cranial bones of ''Anteosaurus'' are pachyostosed, but to a lesser extent than in tapinocephalid dinocephalians. In ''Anteosaurus'', pachyostosis mainly occurs in the form of horn-shaped supraorbital protuberances. According to some paleontologists t ...
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