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An in-depth study of the brain of juvenile Anteosaurus specimen BP/1/7074 published in 2021 disproves the idea that this dinocephalian was a sluggish, crocodilian-like predator. Studies by Benoit et al. using x-ray imaging and 3-D reconstructions showcase that Anteosaurus was a fast, agile animal in spite of its great size.
The large anteosaurs were efficient predators, more specialized than earlier and more primitive biarmosuchid and eotitanosuchid carnivorous therapsids, as the temporal opening behind the eye socket was larger, indicating a greater muscle mass available for closing the lower jaw. Large pterygoid flanges indicate a well-developed Kinetic-Inertial ...
Anteosaurus overviewing the landscape. The largest carnivorous non-mammalian synapsids was the dinocephalian Anteosaurus, which was 5–6 m (16–20 ft) long, and weighed 500–600 kg (1,100–1,300 lb). [16] [17] Fully grown Titanophoneus from the same family Anteosauridae likely had a skull of 1 m (3.3 ft) long. [17]
The postcanine teeth are further reduced. Deepening of the postorbital region of the skull (behind the eyes) produced a larger temporal opening, indicating more muscle mass. The boss on the angular (rear of the jaw) has become very prominent, again, another sign of powerful jaw muscles. These huge animals were formidable predators.
Anteosauridae is an extinct family of large carnivorous dinocephalian therapsids that are known from the Middle Permian of Asia, Africa, and South America.These animals were by far the largest predators of the Permian period, with skulls reaching 80 cm in length in adult individuals, far larger than the biggest gorgonopsian.
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Prehistoric Predators is a 2007 National Geographic Channel program based on different predators that lived in the Cenozoic era, including Smilodon and C. megalodon.The series investigated how such beasts hunted and fought other creatures, and what drove them to extinction.
Erythrosuchus was the largest predator of its time, and was around 4.75–5 m (15.6–16.4 ft) long. [3] [4] It walked on all fours and had limbs positioned semivertically under its body, unlike the more sprawling gait of most earlier reptiles. Its head was large and theropod-like, reaching a length of 1 m (3.3 ft), and had sharp, conical teeth ...