Genus: Edmontosaurus LAMBE, 1917
Etymology: In reference to the Edmonton Formation, in Alberta, Canada, and Greek,
sauros, “lizard”: “Edmonton lizard”.
= Edmontasaurus STOKES, 1988 (sic)
= Edomontosaurus CHAPMAN & BRETT-SURMAN, 1990 (sic)
= Ugrunaaluk MORI, DRUCKENMILLER, & ERICKSON, 2016
Etymology:
Transliterated from the Alaskan Inupia noun ugrunnaq, referring to a grazing
animal with a long set of grinding teeth, and the adjective -aluk, old.
literally, "ancient grazer". The name honors the Alakan Native Inupiq culture
from the area where the type material was discovered.
Species: regalis LAMBE, 1917
Etymology: Latin, regalia, "royal things," from neut. pl. of regalis; "decorations
or insignia of an order".
Holotype: NMC 2288
Locality: From opposite of the mouth of Three Hills Creek, at 200 feet above the river level, Red Deer River, near Drumheller, Wheatland County, Alberta Province, Canada.
Horizon: Horsethief Member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian Uppermost Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Skull, most of the vertebra back to the 6th caudal, one hind limb lacking a few phalanges, on humerus, both pubic bones, one ischium, the greater part of the right ilium and some ribs.
Ventral, dorsal and left lateral view. The upper orbit area is incorrect and illustrated conservatively.
A) right lateral view, B) anterior view and C) right anterior oblique view.
An attempt to correct the orbit.
Reconstruction of the head.
Paratype: NMC 2289
Locality: 7 miles north-west of Morrin, in sec. 16, T31N, R21W, on the west side of the Red Deer River, 90 feet above the level of the river, near Drumheller, Wheatland County, Alberta Province, Canada.
Horizon: Horsethief Member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian Uppermost Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: A nearly complete skeleton including the skull.
The two illustrations are from a private collection.
Referred material:
BELL & CAMPIONE, 2014
Locality: Danek Bonebed (TMP locality L2379), southern bank of Whitemud Creek, south of Edmonton, Alberta Province, Canada.
Horizon: Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UALVP 52366, 52367, 52368, 52371, 52394-52396, 52730, 52737, 53577: Humeri.
UALVP 47878, 47920, 49554, 50964, 50988, 52476, 52538, 52540, 52695, 52699, 52731, 52704, 52706, 52716, 52745, 52758, 52759, 52763, 53257, 54890, 54891: Femora.
UALVP 45911.1: Left humerus.
UALVP 55163: Right humerus.
UALVP 55183: Right femur.
UALVP 50988: Right femur.
UALVP48955, UALVP47896: Ossified tendon with bite marks.
UALVP47919: Ventral edge of dentary with bite marks.
UALVP47910: Neural spine of proximal caudal with tooth marks.
CAMPIONE & EVANS, 2011
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
NHM R8927: Skull.
CM 26259: Skull.
FMNH 15004: Skull.
BELL, FANTI, CURRIE & ARBOUR, 2013
Locality: Red Willow River 75 km west of the city of Grande Prairie, Grande Prairie County, Alberta Province, Canada.
Horizon: Wapiti Formation.
Biostratigraphy:
Age: Late Campanian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UALVP 53722: Posterior portion of the skull, four cervical and four dorsal neural spines and skin impressions. Note: This specimen has a soft-tissue crest.
BARBI, BELL, FANTI, DYNES, KOLACEKE, BUTTIGEG, COULSON & CURRIE, 2019
UALVP 53290: Fragmentary skeleton.
Note: With skin impressions.
EVANS, EBERTH, & RYAN, 2015
Locality: Bleriot Ferry bonebed, Wheatland County, Alberta Province, Canada.
Horizon: Horsethief Member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian Uppermost Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Numbers: Not given: Bonebed.
RTMP 1993.031.0387, 1993.03.0087, 1996.025.0012: Jugals.
RTMP 1993.031.0141: Juvenile scapula.
RTMP 1994.925.0169: Left humerus.
RTMP 1993.031.0128: Right humerus.
Localtiy: Prehistoric Park Bonebed, Wheatland County, Alberta Province, Canada.
Horizon: Horsethief Member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian Uppermost Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Numbers: Not given.
Localtiy: Fox Coulee Bonebed, Wheatland County, Alberta Province, Canada.
Horizon: Horsethief Member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian Uppermost Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Numbers: Not given.
= Edmontosaurus cf. sp, cf. regalis GALLANGER, PARRIS & SPAMER, 1986
Locality: Ellisdale, Monmouth County, New Jersey.
Horizon: Basal Hornerstown Formation, Greensand, Rancocas Group.
Biostratigraphy:
Age: Upper Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NJSM 12132: Quadrate.
HORNER, 1992
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
AMNH 5254: Skull, dentary and predentary.
LULL & WRIGHT, 1942
Locality: 2 miles above Munson Ferry, on the west side of the Red Deer River, near Drumheller, Wheatland County, Alberta Province, Canada.
Horizon: Horsethief Member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian Uppermost Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
USNM 12711: Skull and lower jaws.
McINTOSH, 1981
Locality: Red Deer River Valley, Alberta Province, Canada.
Horizon: Horsethief Member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian Uppermost Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
CM 26258 (Formerly ROM 1931-7): Skull and greater part of skeleton.
PARKS, 1935Locality: Red Deer River, near Drumheller, Wheatland County, Alberta Province, Canada.
Horizon: Horsethief Member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian Uppermost Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
ROM 801 (old GSC 5167): Skull and skeleton. Note: With skin impressions (BELL, 2014).
USNM 5850: Small head.
OSTROM, 1961Locality:
Horizon:
Biostratigraphy:
Age:
Material:
CNHM P15003:
= Edmontosaurus cf. regalis RYAN, BELL & EBERTH, 1995
Locality: Southwest corner of legal subdivision 6, sec. 10, tp 30, range 21, west side of the 4th meridian, close to the mouth of a dry lateral tributary on the east side of Red Deer River, 1.5 miles south of the Munson Ferry, Drumheller, Wheatland County, Alberta Province, Canada.
Horizon: Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: A bonebed.
SHARPE, POWERS, DYER, RHODES, McINTOSH, GARROS, CURRIE & FUNSTONE, 2024
Locality: Eastern side of Red Deer River Valley, approximately 3.5 km north of the Morrin Bridge, ear Drumheller, Wheatland County, Alberta Province, Canada.
Horizon: Channel sandstone between Coal Zones 8 and 9, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UALVP 60425: Left and partial right maxilla, partial left lacrimal, right jugal, mostly complete left and right postorbitals, left quadratojugal, paired frontals, partial parietals, right and partial left exoccipital, partial left laterosphenoid, partial left pterygoid, parital left dentary, right splenial, left surangular, cervical, dorsal, and caudal vertebrtae, ribs, pectoral girdle with forelimbs, and pelivc girdle with hind limbs.
After SHARPE, POWERS, DYER, RHODES, McINTOSH, GARROS, CURRIE & FUNSTONE, 2024; a) dorsal and B) lateral views.
WEISHAMPEL, WEISHAMPEL, 1983/RUSSELL, 1964
Locality: Southern Alberta Province, Canada.
Horizon: Scollard Member, Paskapoo Formation.
Biostratigraphy:
Age: Lancian Age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous
Material:
Number: Not given:
Locality: Saskatchewan Province, Canada.
Horizon: Frenchman Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
= Thespesius edmontonensis GILMORE, 1924
Etymology: In reference to Edomonton.
= Thespesius edmontoni GILMORE, 1924
= Anatosaurus edmontonensis (GILMORE, 1924 ) LULL & WRIGHT, 1942
= Anatosaurus edmontoni (GILMORE, 1924) LULL & WIGHT, 1942
= Edmontosaurus edmontonensis (GILMORE, 1924)
= Edmontosaurus edmontoni (GILMORE, 1924) BRETT-SURMAN, 1975 (M.S. dissertation, unpublished)
= Trachodon edmontonensis (GILMORE, 1924) emend OLSHEVSKY, 1991
= Trachodon edmontoni (GILMORE, 1924) KUHN, 1936
= Thespesius edmonti PARKS, 1935 (sic)
= Trachodon marginatus LAMBE, 1913Holotype: NMC 8399
Locality: Sec. 30, tp. 29, R19W, 4th mer. on Michichi Creek, 5 miles from Drumheller, Red Deer River, Wheatland County, Alberta Province, Canada.
Horizon: Horsethief Member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Edmontonian Uppermost Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Skull and skeleton complete to the 6th caudal.
Referred material:
PARKS, 1935
Locality: 3 miles above Munson ferry and 140 feet above the Red Deer River, near Drumheller, Wheatland County, Alberta Province, Canada.
Horizon: Scollard Formation, Uppermost Edmonton Group.
Biostratigraphy:
Age: Lancian Age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material:
ROM 867 (old GSC 5851): Fragmentary skull and skeleton.
Note: Paleopathology, mid-rib with a healed fracture at mid length.
_____________________________________________________________________________________
Species: saskatchewanensis (STERNBERG,
1926)
BRETT-SURMAN
vide CHAPMAN & BRETT-SURMAN,
1990
Etymology: In reference to Saskatchewan
Province, Canada.
= Thespesius saskatchewanensis STERNBERG,
1926
= Trachodon saskatchewanensis (STERNBREG,
1926) KUHN, 1936
= Anatosaurus saskatchewanensis (STERNBERG,
1926) LULL & WRIGHT, 1942
Holotype: NMC 8509
Locality: Rocky Creek, sec. 22, T1N, R5, west of 3rd meridian, Saskatchewan Province, Canada.
Horizon: Frenchman Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: An almost complete skull, 16 dorsal vertebrae, 37 caudal centra, fragmentary chevrons, left scapula and coracoid, left femur, and part of the right, right tibia with astragalus and calcaneum, both ischia and some fragmentary ribs.
Right side of skull.
Left and front view of the skull.
New reconstruction of the right side of the skull.
Referred material:
HORNER, 1992
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
UCM 20829:
