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Carnassial. Carnassials of a dog. Carnassials are paired upper and lower teeth modified in such a way as to allow enlarged and often self-sharpening edges to pass by each other in a shearing manner. This adaptation is found in carnivorans, where the carnassials are the modified fourth upper premolar and the first lower molar.
One of the largest marine carnivores of its time, Tylosaurus was an apex predator that exploited the wide variety of marine fauna in its ecosystem. Stomach contents are well documented in the genus, which includes other mosasaurs, plesiosaurs, turtles, birds, bony fish, and sharks. [92]
Permanent dentition teeth. Cats are carnivores that have highly specialized teeth. There are four types of permanent dentition teeth that structure the mouth: twelve incisors, four canines, ten premolars and four molars.[1] The premolar and first molar are located on each side of the mouth that together are called the carnassial pair.
The platypus (Ornithorhynchus anatinus), [ 3 ] sometimes referred to as the duck-billed platypus, [ 4 ] is a semiaquatic, egg-laying mammal endemic to eastern Australia, including Tasmania. The platypus is the sole living representative or monotypic taxon of its family Ornithorhynchidae and genus Ornithorhynchus, though a number of related ...
Schematic diagram of reconstructed skull. On each side of the upper jaws there were four premaxillary and twelve maxillary teeth, [Z] while the lower jaws were equipped with fifteen dentary teeth per side. [AA] [1] The teeth had been described as being long and slender, [9] as opposed to the very short teeth seen in other abelisaurids. [25]
Allosaurus was itself a potential food item to other carnivores, as illustrated by an Allosaurus pubic foot marked by the teeth of another theropod, probably Ceratosaurus or Torvosaurus. The location of the bone in the body (along the bottom margin of the torso and partially shielded by the legs), and the fact that it was among the most massive ...
Creodonta ("meat teeth") is a former order of extinct carnivorous placental mammals that lived from the early Paleocene to the late Miocene epochs in North America, Europe, Asia and Africa. Originally thought to be a single group of animals ancestral to the modern Carnivora , this order is now usually considered a polyphyletic assemblage of two ...
Giganotosaurus (/ ˌɡɪɡəˌnoʊtəˈsɔːrəs / GIG-ə-NOH-tə-SOR-əs[2]) is a genus of theropod dinosaur that lived in what is now Argentina, during the early Cenomanian age of the Late Cretaceous period, approximately 99.6 to 95 million years ago. The holotype specimen was discovered in the Candeleros Formation of Patagonia in 1993 and is ...