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[25] Dimetrodon also may have had large scutes on the underside of its tail and belly, as other synapsids did. [35] All three groups are known from the Late Carboniferous and Early Permian. It was not until 1927 that a largely complete tail of Dimetrodon was described. [69] The exact lifestyle of Dimetrodon (amphibious to terrestrial) has long been controversial, but bone microanatomy supports a terrestrial lifestyle,[70] which implies that it would have fed mostly on land, on the banks, or in very shallow water. [8], A 2014 study shows that Dimetrodon was in an arms race against its prey. While this creature looks like a dinosaur, it is actually a reptile belonging to the pelycosaur group. Mammals were assigned to a separate class, and Dimetrodon was described as a "mammal-like reptile". [32] In 1940, Romer and Price recognized that the D. longiramus material belonged to the same taxon as another specimen described by paleontologist Samuel Wendell Williston in 1916, which included a similarly elongated mandible and a long maxilla. There are few channels in the bones, which indicates limited circulation. According to Olson, the best modern analogue for the ecosystem Dimetrodon inhabited is the Everglades. Dimetrodon was probably the top predator of the Red Beds ecosystem, feeding on a variety of organisms such as the shark Xenacanthus[citation needed], the aquatic amphibians Trimerorhachis and Diplocaulus, and the terrestrial tetrapods Seymouria and Trematops. [9][10] Although some Dimetrodon species could grow very large, many juvenile specimens are known.[11]. While reptiles barely chew their food, essentially gulping it down, synapsids like Dimetrodon developed teeth to help shear meat into smaller pieces for easier digestion. limbatus. The Early Permian had a drier and hotter climate where deserts began to develop. Dimetrodon angelensis was named by paleontologist Everett C. Olson in 1962. Reassessment after his death led to different conclusions on these specimens, including on the construction of the skull. Fossil records show a full grown male was about 15 long and weighed around 500 pounds. 1 Basic Info 1.1 Dossier 1.2 Behavior 1.3 Appearance 1.4 Color Scheme and Regions 1.5 Drops 1.6 Base Stats and Growth 1.6.1 Wild Stats Level-up 2 Taming 2.1 KO Strategy 2.2 Taming Food 2.3 Preferred Food 3 Combat 3.1 General 3.2 Strategy 3.3 Weaponry 3.4 Dangers 3.5 … The back of the skull (the occiput) is oriented at a slight upward angle, a feature that it shares with all other early synapsids. The most prominent feature of Dimetrodon is the large neural spine sail on its back formed by elongated spines extending from the vertebrae. The researchers concluded that the sail of Dimetrodon grew at a much faster rate than was necessary for thermoregulation, and suggested that sexual selection was the primary reason for its evolution.

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