TheropodaTyrannosauroidea

Appalachiosaurus montgomeriensis

Appalachiosaurus montgomeriensis skeletal reconstruction, left lateral view, reconstructed length ~7 m.
Scale bar = 1 meter
Taxon
Appalachiosaurus montgomeriensis Carr et al., 2005
Reconstructed length
~7 m (23 feet)
View
Left lateral
Drawing
© Scott Hartman
Drawn
2019, revised 2024
Clade
  1. Theropoda
  2. Tetanurae
  3. Coelurosauria
  4. Tyrannosauroidea

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An early tyrannosauroid from the Late Cretaceous of Alabama, about 77 million years ago. Appalachiosaurus lived in Appalachia, the eastern landmass separated from western North America by an inland sea during most of the Late Cretaceous. While the remains are somewhat scrappy as compared to many tyrannosauroids from western North America and eastern Asia, Appalachiosaurus is one of the most complete predatory dinosaurs known from that region.

The evidence

What the specimen actually preserves

Known skeletal material of Appalachiosaurus montgomeriensis: preserved elements shown in white against a black body silhouette.
Known material: elements preserved in the specimen are shown in white; unpreserved regions are left as black silhouette. Drawn 2019, revised 2024

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