Plate 9 in The Cranial Morphology of Tyrannosaurus rex

Plate 9 Tyrannosaurus rex Osborn, Hell Creek Fm., Jordan (Montana) AMNH 5027. Fig. 1. Right epipterygoid.in anterolateral view. 0.6X. Fig. 2. Right epipterygoid in lateral view. The epipterygoid has been displaced forward in this specimen to lay at the back of the left antorbital fenestra. Abbreviations on. specimen: Ec.pt., ectopterygoid; Ep.pt,, epipterygoid; 'La', lachrymal. 0.6 X.Published as part of Molnar, Ralph E., 1991, The Cranial Morphology of Tyrannosaurus rex, pp. 137-176 in Palaeontographica Abt. A 217 (4-6) on page 175, DOI: 10.5281/zenodo.325181