Tyrannosaurus rex, Osborn, 1905

Molnar, Ralph E., 1991, The Cranial Morphology of Tyrannosaurus rex, Palaeontographica Abt. A 217 (4 - 6), pp. 137-176 : 139

Tyrannosaurus rex

CM 9380 (formerly AMNH 973) , the holotype. Consists of skull and jaw elements, cervical, dorsals, sacrals, gastralia, right humerus, femora and tibiae. From the Hell Creek Formation, near Jordan, Dawson Co., Montana. Described by Osborn (1905, 1906, 1912, 1916).

AMNH 5005 . Cranial fragments and fibula. From the Hell Creek Fm. at Crooked Creek, Montana. This specimen could not be located in 1971.

AMNH 5027 . Skull, jaws, shoulder girdles, pelves, cervicals, dorsals, sacrals and a few caudals. From the Hell Creek Fm. near Jordan, Dawson Co., Montana. Described by Osborn (1912, 1916).

AMNH 5117 . Braincase, including occiput: “postfrontal” (i. e. postorbital), pterygoid and hyoid were also catalogued, but were not found in 1971. From the Lance Fm. of Converse Co., Wyoming. Described by Osborn (1912).

AMNH 5881 . Femur, tibia, fibula and phalanges. No stratigraphic or locality data given. Could not be found in 1971. Described by Osborn (1906).

BM(NH) R7994 (formerly AMNH 5866) . Dentaries, cervicals, dorsals, and incomplete pelvis and femur: palatines also listed, but were not seen in 1985. From the Lance Fm. of Weston Co., Wyoming. Described by Osborn (1905, 1906). Holotype of Dynamosaurus imperiosus Osborn (1905) .

CM 9379 (formerly AMNH 5029) . Braincase, including occiput and artificial endocranial cast: splenial, articular and prearticular were also catalogued, but were not found in 1971 (at the AMNH). From the basal sandstone of the Hell Creek Fm., near Jordan, Dawson Co., Montana. Described by Osborn (1912).

LACM 23844 . Jaws and incomplete skull, cervicals, dorsals, caudals, shoulder girdle, ribs, incomplete ischia and femur, fibula, incomplete metatarsus. From the Hell Creek Fm. of Jordan, Dawson Co., Montana.

MOR 008 . Incomplete skull. From the Hell Creek Fm. (?) near Custer, Montana.

SDSM 12047 . Skull and jaws, and c. 40% of the postcranial skeleton. From the Hell Creek Formation, reportedly low in the section, of Butte Co., South Dakota. Reported by Bjork (1982).

TMP P81.6.1 . Skull and jaws and c. 30% of the postcranial skeleton. From the Willow Creek Formation of Alberta.

TMP P81.12.1 . Postorbital and much of the postcranial skeleton. From the Scollard Formation, near Huxley, Alberta.

TMP PC 82.50.11 . Large right maxilla.

UCMP 118742 . Maxilla. From the Hell Creek Formation of Montana.

UCMP 131583 . Maxilla and dentaries. From the Hell Creek Formation of Montana.