File:B-rex teeth.jpg

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Description

Tyrannosaurus (MOR 1125, “B-rex”) teeth from the lower jaw of this medium-sized skeleton illustrate the extreme range in overall tooth size within one individual. The black scale bar is 5cm long.

Above: A smaller posterior tooth from position #14 from the front of the jaw. Below: A larger tooth from position #4 in the same jaw. This demonstrates why shed dinosaur teeth are not a reliable indicator of relative skeletal size and ontogenetic age.
Date
Source http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0016574
Author John R. Horner, Mark B. Goodwin, Nathan Myhrvold
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Date/TimeThumbnailDimensionsUserComment
current22:45, 27 February 2014Thumbnail for version as of 22:45, 27 February 20142,728 × 920 (1.28 MB)Rotatebot (talk | contribs)Bot: Image rotated by 180°
09:34, 13 March 2011Thumbnail for version as of 09:34, 13 March 20112,732 × 922 (1.16 MB)FunkMonk (talk | contribs){{Information |Description=''Tyrannosaurus'' (MOR 1125, “B-rex”) teeth from the lower jaw of this medium-sized skeleton illustrate the extreme range in overall tooth size within one individual. Below: A smaller posterior tooth from position #14 from

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