Genus: Lambeosaurus PARKS, 1923
Etymology: In honor of Lawrence Morris Lambe (1863-1919), Canadian Paleontologist.

Species: lambei PARKS, 1923 (Male)
Etymology: In honor of Lawrence Morris Lambe.

Referred material:

= Lambeosaurus clavinitialis C. M. STERNBERG, 1935 (female)

Holotype: NMC 8703

Locality: 2 1/2 miles south of the mouth of Berry creek, 140 feet (aneroid) above the Red Deer River, 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: Complete skeleton except predentary, left quadrate, postorbital, and squamosal, dorsal vertebrae, left dorsal ribs, letf ilum, and some distal caudal vertebrae with skin impressions.

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Species: magnicristatus STERNBERG, C. M. 1965

Referred material:

Locality: 7 miles southeast of Manyberries, 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:

Number: Not given: Skull and nearly complete skeleton, and skin impressions.

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Species: ? laticaudus MORRIS, 1981
Etymology: Latin, latus, “broad, wide”, and Latin, caudal, “tail”.

Holotype: IGM 5843 (formerly LACM 17715)

Locality: LACM loc. 66168, north of Arroyo Del Rosario, Approximate Lat. 30'10"N, Long. 115'40"W, El Rosario, Baja California Del Norte, Baja California State, Mexico.

Horizon: "El Diesacado member" of the "El Gallo Formation".

Biostratigraphy:

Age: Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Late Cretaceous.
Material: Left premaxilla, maxilla and jugal, right scapula, coracoid, humerus, 8 cervical and five sacral vertebrae, fragments of 3 dorsal vertebrae, several caudal centra, spinous processes, and part of the haemal arches, several ribs, left and right femora, left ischum and right tibia, right metatarsal III.

Referred material:


IGM 5844 (Formerly LACM 17712): 6 anterior, dorsal vertebrae and molds of scales.

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Sp

(Fossil News, Volume 2, Number 3) ANONYOMUS, 1996

Still being excavated.

Locality: Near Malta, Montana.

Horizon: Judith Formation.

Biostratigraphy:

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

Material: Complete skeleton with skin impressions.

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LULL & WRIGHT, 1942

Locality: Near Steveville, Red Deer River, Dinosaur Provincial Park, Alberta, 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:

AMNH 5373: Skull and incomplete skeleton.