Species: libratus LAMBE, 1914
Etymology:

Holotype: CMN 2120

Locality: 3 1/2 miles below the mouth of Berry Creek, on the south side of the Red Deer River, near prairie level, Dinosaur Provincial Park, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: Almost complete skull and lower jaws, skeleton lacking cervicals and some dorsal vertebrae.
Note: Palaeopathology, bite makrs on the dentary (BROWN, CURRIE & THERRIEN, 2021), the right dorsal rib 3, gastralia 13 and 14, and left fibula have healed fractures, the left metatarsal IV is apparently diseased, with roughened exostoses on the lateral surface at midshaft and distally, the third phalanx of right pedal digit III is deformed and the claw of digit is ‘quite small and amorphous (MOLNAR, 1981)

Referred material:

BROWN, CURRIE & THERIEN, 2021

Locality: Quarry 029, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

ROM 1247: Maxilla, and dentary.
Note: Juvenile/subadult with bite marks on the maxilla and left dentary and saurangular (BROWN, CURRIE & THERIEN, 2021).

 

Locality: Battle River, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 1991.163.0001: Skull and skeleton.
Note: With bite marks on the maxillae and dentary (BROWN, CURRIE & THERRIEN, 2021).

 

Locality: Quarry 219, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 1995.005.0001: Fragmentary skull and skeleton.
Note: With bite marks on the maxilla, dentary and nasal (BROWN, CURRIE & THERRIEN, 2021).

 

Locality: Quarry 234, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 2000.12.0011: Scattered skull.
Note: With bite marks on the maxillae and dentary (BROWN, CURRIE & THERRIEN, 2021).

 

Locality: Quarry 238 (139?), Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 1999.033.0001: Skull and skeleton.
Note: With bite marks on the maxillae and ventral side of surangular (BROWN, CURRIE & THERRIEN, 2021).

 

Locality: Near Steveville, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

CMN (NMC) 12063: Maxilla.
Note: Left maxilla with tooth marks (BROWN, CURRIE & THERRIEN).
Note: Juvenile/subadult.

ROM 683: Maxillae.
Note: Left maxillae with tooth marks (BROWN, CURRIE & THERRIEN).

RTMP 1983.036.0100: Maxilla Juvenile/subadult.
Note: Left maxilla with tooth marks (BROWN, CURRIE & THERRIEN).

Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

CM 12063: Right maxilla with bite marks.

CMN 57057: Right dentary of a juvenile with bite marks.

CMN 2248: Right dentary with tooth marks.

CMN 11315: Dentary tip of a juvenile with tooth marks.

ROM 436: Tip of dentary with tooth marks.

RTMP 1994.012.0602: FRagmentary skull and dentary with tooth marks.

RTMP 1998.093.0069: Fragmetn of dentary with tooth marks.

RTMP 2012.012.0082: Dentary fragment of a baby with tooth marks.

RTMP 1993.066.0001: Fragment of a left maxilla with tooth marks.

RTMP 1989.016.1782: Dentary fragment with tooth marks.

RTMP 1981.027.0087: Left dentary of a baby with tooth marks.

RTMP 2005.050.0021: Fragmentary dentary with tooth marks.RTMP 1981.010.0001: Left jubal with tooth marks.

RTMP 1996.005.007: Left denary with tooth marks.

RTMP 2010.005.0007: Left maxilla and dentary with tooth marks.

RTMP 2003.045.0084: Left dentary with tooth marks.

RTMP 2003.045.0076: Right tooth marks with tooth marks.

RTMP 1998.048.0001: Nasal with tooth marks.

RTMP 1985.062.0001: Back end of the the skull with tooth marks on the lower jugal.

RTMP 1967.009.0164: Left dentry with tooth marks.

RTMP 2017.012.0002: Right maxilla with tooth marks.

RTMP 1998.063.088: Right maxilla with tooth marks.

RTMP 200.45.0092: Left maxilla with tooth mark.

RTMP 1998.125.0001: Right maxilla with tooth marks.

RTMP 1983.036.0134: Right dentary with tooth marks.

RTMP 1996.036.0006: Right dentary with tooth marks.

RTMP 1987.025.0053: Left dentry with tooth marks.

RTMP 1994.143.0001: Fragmentary skull and dentary with tooth marks

RTMP 1982.028.0001: Left dentary with tooth marks.

RTMP 1999.055.0170: Left dentary with tooth marks.

RTMP 1995.025.0083: Left maxilla with tooth marks.

RTMP 1994.025.0006: Left maxilla with tooth marks.

RTMP 1997.012.0223: Right maxilla with tooth marks.

RTMP 2016.014.0001: Skull and dentary with tooth marks.

RTMP 1987.048.0004: Left dentary with tooth marks.

RTMP 2009.012.0014: Skull and dentary with tooth marks.

RTMP 1986.049.0029: Left dentary with tooth marks.

RTMP 1999.060.0040: Right dentary with tooth marks of a juvenile.

RTMP 2002.012.0101: Right dentary with tooth marks.

RTMP 1999.040.140: Left maxilla with tooth marks.

RTMP 1983.036.0100: Left maxilla of a juveinle with tooth marks.

RTMP 2010.121.0001: Right dentary with tooth marks.

RTMP 1996.025.0061: Left dentary with tooth marks.

RTMP 1993.036.138: Left dentary of a juvnile with tooth marks.

RTMP 2014.012.0006: Left maxilla with tooth marks.

RTMP 1998.093.012: Right surangular with tooth marks.

RTMP 1996.006.0013: Right dentary with tooth marks.

RTMP 2012.012.0029: Left dentary of a juvenile with tooth marks.

RTMP 2014.012.0040: Fragmentary dentary with tooth marks.

RTMP 1986.036.0314: Fragmentary left denary with tooth marks.

RTMP 1983.030.0001: Left Lacrimal with tooth mark.

UALVP 55605: Left maxilla with tooth marks.

UALVP 25937: Right dentary with tooth marks.

UALVP 49500: Fragmentary skull and dentary with tooth marks.

UALVP 52981: Fragmentary skull and dentary with tooth marks.

UALVP 5630: Left maxilla with tooth marks.

MAKOVICKY & CURRIE, 1998

Locality: Dinosaur Provincial Park, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 91.36.500: Fragmentary skeletons with furculae.
Note: Juvenile/subadult.
Note: Pathology, bite mark lesions on the skull, the shaft of the right humerus is swollen. The right fibula has a fracture, pedal phalanx II-2 is pathologic, a dislocated ungual of phalanx 4 of digit III. (TANKE & CURRIE, (1998) 2000)

RTMP 94.12.602: Fragmentary skeletons with furculae.
Note: Palaeopathology, midshaft of the right fibula had broken longitudinally and healed, several dorsal ribs from the middle of the sequence had well-healed fractures and a single gastralium had been broken and subsequently formed a pseudoarthrosis.

 

Locality: Quarry 48 of Sternberg 1950, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

UALVP (UA) 10: Fragmentary skull, fragmentary dentary, several presacral vertebrae, ribs, right humerus and left metatarsus.
Note: Palaeopathologies,bite marks on maxillae, dentary, surangular,jugal, and angular (BROWN, CURRIE & THERRIEN, 2021), cervicals 7-8 (DISH), cervicals 5-6, right humerus, metatarsal IV, phalanx III-1 (osteomyelitits) (BELL, 2008).

 

= Gorgosaurus sternbergi MATTHEW & BROWN, 1922 (nomen nudum)
Etymology:In honor of C. H. Stermberg, who found the specimen.

Holotype: AMNH 5664

Locality: Quarry 006, (Quarry 54 of Sternberg 1950), Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material: Skull and skeleton missing caudal vertebrae beyond 24th, left radius, metacarpal I, and phalanx II-2, and left ribs.
Note: Juvenile/subadult and bite mark on right maxilla (BROWN, CURRIE & THERIEN, 2021).

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Sp

EVANS, & LARSON, 2003

Locality: Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

BHI: Fragmentary skull and skeleton.
Note: Has several pathologies, calloused gastralia (fracture and calcified hematoma), bifurcated pes ungual I (split claw sheath), remodeled scapula-coracoid (consistent with a proliferate process and fracture), calloused and deformed right fibula (fracture and tendon retraction), detached greater trochanter of left femur, with bone remodeling and fistulous tracts (trauma, reattachment and osteomyelitis), and calloused right and left dentaries with fistulous tracts and loss of tooth position (trauma and tooth root abscess with osteomyelitis).

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STEIN, 2001

Locality: Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

Number: Not given: Pathologic pedal claw.

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WOLFF, 2008

Locality: Little Sandhill Creek Basin, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

USNM 12814: Skull and nearly complete skeleton lacking tail.

Note: Has a pathology on the lower jaw near the Meckelian groove (WOLFF, 2008).

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WOLFF, SALISBURY, HORNER & VARRICCHIO, 2009

Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 2002.12.11: Fragmentary skull.

Note: Has erosive lesions, probably from Trichomonas gallinae-like protozoan on the dentary (WOLFF, SALISBURY, HORNER & VARRICCHIO, 2009) . Lesion description: Round, tapered edges, remodelled.