Fig. 3 in Growing up Tyrannosaurus rex: Osteohistology refutes the pygmy \"Nanotyrannus\" and supports ontogenetic niche partitioning in juvenile Tyrannosaurus

Holly N. Woodward, Katie Tremaine, Scott A. Williams, Lindsay E. Zanno, John R. Horner & Nathan Myhrvold
Fig. 3. The presence of an EFS at the periosteal surface of a long bone indicates skeletal maturity, while the absence of an EFS indicates that the bone is still growing at the time of death. (A) An EFS composed of tightly stacked birefringent LAGs (between blue arrowheads) at the periosteal surface of an Alligator mississippiensis. (B) The EFS (between blue arrowheads) in an ostrich (struthio camelus) is made of nearly avascular, birefringent parallel-fibered to...
3 citations reported since publication in 2020.
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