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Euoplocephalus (/ j uː ˌ ɒ p l oʊ ˈ s ɛ f əl ə s / yoo-OP-loh-SEF-ə-ləs) is a genus of large herbivorous ankylosaurid dinosaurs, living during the Late Cretaceous of Canada.It has only one named species, Euoplocephalus tutus.
The jaw, tooth, and vertebral anatomy of Ankylorhiza, as well as its large body size all indicate that it was a fast-swimming predator, and probably occupied an ecological niche similar to that of modern orcas, thus making it the earliest known large macrophagous toothed whale.
The dentition of most rhynchocephalians, including the tuatara, is described as acrodont, which is associated with the condition of the teeth being attached to the crest of the jaw bone, lacking tooth replacement and having extensive bone growth fusing the teeth to the jaws resulting in the boundary between the teeth and bone being difficult to ...
An intact prehistoric mastodon jaw was discovered in the backyard of a Hudson Valley house after the homeowner initially saw a pair of teeth poking up by a plant, according to state officials.
The homeowner initially discovered two teeth hidden by a plant and later spotted two additional teeth a few inches underground. The jaw is believed to have “belonged to an adult” mastodon and ...
Analysis of H. heidelbergensis skeletons have led researchers to find that the jaw of the species featured new traits in the form of taurodont molars, a reduced M3 molar, and a large buccal cusp in the P3 premolar. [16] In general, when compared to humans, H. heidelbergensis shows a larger jaw and smaller teeth. [17]
Like many mammals, gorgonopsians were heterodonts, with clearly defined incisors, canines, and postcanine teeth homologous with premolars and molars. [1] They had five incisors in the upper jaw (for most, the first three were the same size as each other, and the last two were shorter) and four on the bottom. [7]: 17–18
A shocking video shows the jaw-dropping rescue of tourists trapped in a frozen lake in India. According to Reuters, the four individuals fell through frigid water at Sela Lake on Sunday. The ice ...