Genus: Struthiomimus OSBORN, 1917
Etymology: Greek, strouthion, "Ostrich" and Greek, mimos, "mimic": "Ostrich mimic."

Species: altus (LAMBE, 1902) OSBORN, 1917
Etymology: Latin, altus, "high."
= Ornithiomimus altus LAMBE, 1902

Holotype: CMN (NMC) 930

Locality: Probably near Steveville ferry crossing, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Belly River Group.

Biostratigraphy:

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

Material: Distal ends of pubes and ischia, right hind limb, phalanges of left pes.
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Referred material:

Locality: Quarries unknown, basin of Little Sandhill Creek, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Belly River Group.

Biostratigraphy:

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

Material:

AMNH 5339: Complete skeleton lacking only skull roof and distal end of tail.

Struthiomimus altus (modified from OSBORN, 1917), AMNH 5339.

 

Genotype:

AMNH 5355: Left frontal, posterior half of braincase, 10 additional presacral and 8 caudal vertebrae, right scapula-coracoid, right crus and calcaneum-astragalus.

AMNH 5375: 2 manus phalanges, left and distal end of right femur, right 4th metatarsal, distal ends of both second and left 3rd and 4th metatarsals, 4 pedal phalanges.

AMNH 5385: Caudal vertebra, distal ends of ischia, tibiae, astragali, right fibula, distal ends of left metatarsus, 5 pedal phalanges.

AMNH 5421: Sacrum and adjacent dorsal and caudal vertebrae, left humerus, both radii-ulnae, pelvis, right hind limb, left femur and tibia-fibula.

 

LAMBE, 1902

Locality: Red Deer River, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Belly River Group.

Biostratigraphy:

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

Material:

Number: Not given: Posterior dorsal, caudal vertebrae, phalanges of manus, right femur, fragmentary tibia, fragmentary fibula, and complete pes, ischium and fragmentary pubis.

 

NICHOLLS & RUSSELL, 1980

Locality: Quarry 191, south side of Red Deer River at Jenner Ferry Crossing, approximately 18 km east of Dinosaur Provincial Park, Section 11, Township 22, Range 9 W4M, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Belly River Group.

Biostratigraphy:

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

Material:

UCMZ (VP) 1980.1: Both scapulocoracoids, the complete left forelimb, the gastralia and parts of the dorsal ribs, the pelvic girdle, sacrum, xiphisternal, and both hind limbs.

 

RUSSELL, 1972

Locality: ?section 18, tp32, R21W, 4th M, approximately 12 m above the west bank of the Red Deer River, Alberta Province, Canada.

Horizon: Horseshoe Canyon Formation, Edmonton Group.
Note: Formerly Member B of Edmonton Formation.

Biostratigraphy:

Age: Edmontonian age, lower Maastrichtian Stage, Upper Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

AMNH 5257: 3 caudal vertebrae, both scapulae-coracoid, humeri, left radius-ulna, right metacarpus, right ilium, both ischia and pubes, right hind limb, left femur.

 


Locality: 4.75 km southeast of mouth of Little Sandhill creek, Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Belly River Group.

Biostratigraphy:

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

Material:

NMC 8897: Sacrum and ilia, distal ends of pubes and ischia, proximal end of left femur.

 


Locality: Quarry 028 (Quarry 18 of STERNBERG, 1950), Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Belly River Group.

Biostratigraphy:

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

Material:

ROM 1790: Preorbital region of skull, dentaries, sacrum and adjacent dorsal and caudal vertebrae, pelvis, both femora and tibiae-fibula, left pes.

Modified from RUSSELL, 1970 (AMNH 5339 and ROM 1790)

 

RAMIREZ-VELASCO, & HERNANDEZ-RIVERA, 2015

(Torres-Rodriguez, 2006)

Locality: El Palmar, General Cepeda, Coahuila State, Mexico.

Horizon: Cerro del Pueblo Formation.

Biostratigraphy:

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

Material:

BENC 1/2-0081: Distal end of femur.

 

 


= cf. Struthiomimus sp WROBLEWSKI,1998

Locality: Western Hanna Basin, Carbon County, South-central Wyoming.

Horizon: Ferris Formation.

Biostratigraphy:

Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

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Species: Nova? LONGRICH, 2008

Holotype:

Locality: Alberta Province, Canada.

Horizon: Edmonton Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material:

RTMP 1990.026.0001:

?OSBORN, 1917

AMNH 5257: