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  1. Tyrannosaurus rex possesses a heterodont dentition composed of three classes (premaxillary, maxillary, and dentary) and several sets. The maxilla contains mesial and distal sets and the dentary...

  2. Computerized tomographic (CT) scans revealed the crown height to be 3.75 cm, and visual inspection revealed the crown base length to be 2.35 cm and the crown base width 1.65 cm. Denticles are well...

  3. 8 lip 2020 · To make it easier to compare and read the data, I combined the measurements into a single chart, added colors and lines for ease of reading, and added the size and names of the T. rex used in the study. Feel free to refer to the below chart for T. rex teeth measurements.

  4. Three-point arrangements likely occurred: (1) between consecutive, large teeth along the dental arcade and the opposing tooth crown (Fig. 4A); and (2) between the lateral teeth and the...

  5. One of the key ways to differentiate between the teeth of T. rex and Nanotyrannus is the shape of the base. T. rex teeth typically have an oval base, while Nanotyrannus are more rectangular. T. rex maxillary teeth can be rectagular in shape, but lack the "pinch" which is characteristic of Nanotyrannus teeth (see fig. 1).

  6. Tyrannosaurus rex teeth were deeply rooted to withstand the stresses generated by large struggling prey animals. If you compare this tooth to those of Allosaurus, it is obvious Tyrannosaurus rex was a larger theropod. However, the teeth differ not only in their size but in their design as well.

  7. 28 cze 2005 · Here we discuss a quantitative methodology designed to provide defensible identifications of isolated teeth using Tyrannosaurus as a comparison taxon. We created a standard data set based as much as possible on teeth of known taxonomic affinity against which to compare isolated crowns.

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