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postcanine การใช้

ประโยคมือถือ
  • It differs from most other paurodontids in having more postcanine teeth.
  • Each upper postcanine has large central cusp and a posterior cingulum.
  • Their postcanine teeth are generally simple and conical in shape.
  • The postcanine teeth are shorter and broader than the incisors and precanines.
  • The postcanine teeth are finely divided with multiple cusps.
  • A single postcanine tooth was found in Habay-la-Vieille in southern Belgium.
  • Isolated postcanine teeth are known from Saint-Nicolas-de-Port in northeastern France.
  • The teeth have small canines, but australopiths generally evolved a larger postcanine dentition with thicker enamel.
  • With fossils present in the molar-like postcanine teeth, all of which evolved independently from mammals.
  • Like all traversodontids, " Andescynodon " has wide postcanine teeth at the back of its jaws.
  • One distinguishing feature of " Andescynodon " is the forward position of a ridge on these postcanine teeth.
  • Gomphodonts are distinguished by wide and closely spaced molar-like postcanine teeth, which are convergent with those of mammals.
  • The first postcanine ( just posterior to the canine ) is most often smaller than the other postcanines and is most often bicuspid.
  • In postcanine Megadontia specimens, the cross sectional area is on average much larger than modern hominids which implies greater shear stress resistance.
  • Like most traversodotids, " Plinthogomphodon " has a pair of large canine teeth and several wide, cusped postcanine teeth.
  • Massetognathines have several distinguishing characteristics, including flattened skulls, small canine teeth, and postcanine teeth with three cusps on their outer edges.
  • "Paranthropus aethiopicus " is considered a megadont archaic hominin; the term megadont referring to the huge size of the postcanine tooth crowns.
  • As such, this postcanine dentition is capable of  crushing and grinding the tough shoots and leaves common to the diet of an early hominid.
  • The lower jaw of " Ruberodon " has three pairs of incisors, one pair of canines, and 9 pairs of postcanine teeth.
  • Fitzgerald argued against the model of tooth-aided filter feeding, based on the lack of closely pressed teeth and the presence of simple postcanine crowns.
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