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However, a 2006 study argued that the maximum size of Arctodus was ~555 kilograms (1,224 lb), based on the largest known skull. [49] Additionally, a 1998 study calculated the average weight of Arctodus specimens from the La Brea Tar Pits at ~372 kilograms (820 lb), smaller than recovered brown bear remains (~455 kilograms (1,003 lb), although ...
Shortened jaws with high bite forces are found in other mammals like Gelada baboons that eat grasses but evolved from non-grazing ancestors, and in bone-crushing scavengers, like spotted hyenas and borophagine dogs. [6] [8] Analysis of the teeth, jaw, and tooth wear patterns identifies Agriotherium as an omnivore that ate a lot of plant material.
Partial skull roof and lower jaw, femur, tibia, part of a rib, and other postcranial fragments [229] Skull fragments of the holotype, with the postcranial elements omitted: Wendiceratops pinhornensis: TMP2011.051.0009 [230] Royal Tyrrell Museum [230] Campanian [230] Oldman Formation, Alberta [230] Parietal bone [230]
Arctotherium ("bear beast") is an extinct genus of the Pleistocene short-faced bears endemic to Central and South America. [1] Arctotherium migrated from North America to South America during the Great American Interchange, following the formation of the Isthmus of Panama during the late Pliocene.
The jugal bone is located on either side of the skull in the circumorbital region. It is the origin of several masticatory muscles in the skull. [1] The jugal and lacrimal bones are the only two remaining from the ancestral circumorbital series: the prefrontal, postfrontal, postorbital, jugal, and lacrimal bones. [2]
Mammoth bones were found at the site in 1974, and a museum and building enclosing the site were established. Fossil skeleton of Arctodus simus, a large species of "short-faced" bear that was one of North America's largest predators during the Pleistocene. Rancho La Brea Tar Pits: 40–12 Ka: California, US
It marked the first-ever well-preserved mastodon skull excavated in Iowa, state officials said.
The occipital bun pointed out on a Neanderthal skull. The occipital bun is a protuberance of the occipital bone. Its size and shape has been compared to that of a dinner roll. It is a quintessential trait of Neanderthals, though it is a trend in archaic Homo species. The true purpose of the occipital bun has not yet been defined. [3]
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