The oddhorn deer is an extinct mammal that lived in the Mesocene of North America. Eventually extinct in the Early Pleistocene. Due to living in mountainous environments, fossils are less preserved, mainly some skulls. The odd-horned deer is about 2 meters long, the largest and last to appear in the protohorn deer family, and its horns are also the most bizarre. The two horns on its eyes are unremarkable, while the horns on the end of its nose are split, and only male odd-horned deer have nose horns, which may be used for territory and fighting.
The sand beast is huge, walking on its hind legs and joints, using its long arms to pull down high branches and then eat the leaves on them. They move slowly and spend most of their time eating leaves. Its only means of defense was to rely on its massive size and claws on its forelimbs, all of which could be used against modern predators. Although this approach seems to be somewhat incredible now, it was more common at the time.
Two paleontologists in Costa Rica discovered a fossil tooth of a soodont during archaeological excavations on the country's southern Pacific coast in January 2006, the first time scientists have found a fossil of this marine mammal in the tropics. Sodonts are extinct marine mammals, the size of hippos, with fossilized skeletons similar to manatees and early elephants.
The toothed beast is the size of a cow, has mound-toothed teeth, a head that resembles a pig, and a wart-like nodule on its jaw. The toothless is a cousin of today's pigs and other ungulates. Many of their skeletons were badly damaged, with bones between some eyes with scars up to two centimeters deep, the only possibility being that they had been injured by other toothless beasts during the conflict. In fact, for them, it seems quite common for them to completely bite the head of another of the same kind with their mouths! Their faces were covered with bone warts, just like today's warthogs, and they were well distributed to protect the delicate parts in such battles. These warts seem to work very well, because even in scarred odontoderms, there is still no damage to the protected eye and nose area. Their huge heads are so powerful that they can be used to crush bones. Fossil rock formations of toothed beasts were found, and many teeth with bone fragments were found. They are obviously carrion-eating animals, and most likely eat whatever they encounter. Their thick enamel teeth are often broken, and there are also traces that they chew on vines and exposed roots to get water during the dry season.
The jawed pig is slightly larger than the ancient giant pig and the complete tooth pig, also known as the pig, which is an extremely large type of giant pig family. The shoulder height is more than 2 meters and the body length is more than 3 meters. They all have a pair of large, gruesome canine teeth, sharp premolars, and a long, frighteningly large mouth. But in fact, they originated from the same suborder as the real pig and the hippopotamus--- the order of paleodonts, and like the members of the giant pig family such as the toothless beast, they have become extinct. It lived in Nebraska in the Early Miocene West of the United States 21 million years ago, and ran on the prairie with the secondary horse, the lima, the small ancient camel, the far-horned rhinoceros, the Dafoe beast, etc. A large number of fossil pig fossils have been found in inner Las California, probably due to drought causing these large masses to flock to 1 dry riverbed and eventually die somewhere.
Author:Chao Shiqi 丨
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