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Edmontosaurus regalis is a species of comb-crested hadrosaurid dinosaur. Fossils of E. regalis have been found in rocks of western North America that date from the late Campanian age of the Cretaceous Period 73 million years ago, but it may have possibly lived into the early Maastrichtian .
Edmontosaurus regalis is known from the lowest of five units within the Horseshoe Canyon Formation, but is absent from at least the second to the top. [106] As many as three quarters of the dinosaur specimens from badlands near Drumheller, Alberta may pertain to Edmontosaurus. [107]
Edmontosaurus [20] E. cf. regalis [21] Liscomb Bonebed [20] Kikak-Tegoseak Quarry [4] Disassociated parts from multiple juveniles Originally identified as a distinct genus (Ugrunaaluk), recent studies have found it ontogenetically indistinguishable from Edmontosaurus. [20] [21] Lambeosaurinae indet. [22] Indeterminate Liscomb Bonebed A ...
A saurolophine hadrosaur, originally thought to be the bones of juvenile Edmontosaurus regalis. †Velafrons †Velafrons coahuilensis; 72 Ma, Campanian to Maastrichtian Cerro del Pueblo Formation, Coahuila, Mexico A lambeosaurine hadrosaur known from a mostly complete skull and partial skeleton of a juvenile individual †Willinakaqe
Historical reconstruction of USNM 2414, the holotype of Edmontosaurus annectens. Edmontosaurus regalis. Edmontosaurus. Holotype: CMN 2288 [77] Paratype: CMN 2289 [77] Canadian Museum of Nature. Campanian [77] Horsethief Member, Horseshoe Canyon Formation [77] Canada [77] Holotype skull (CMN 2288) of Edmontosaurus regalis: Elrhazosaurus ...
A very large saurolophine hadrosaur closely related to Edmontosaurus, it is one of the longest and largest known hadrosaurids and possibly the largest non-sauropod dinosaur; the composite skeleton of a medium-sized individual mounted at the Geological Institute of China in Beijing measures 14.72 metres (48.3 feet) in length. Stephanosaurus
Edmontosaurus. Edmontosaurus regalis - report made of unidentified related form; Restoration of the Early Cretaceous-Eocene bony fish Enchodus, or the "saber-toothed herring" †Enchodus †Eothoracosaurus †Eothoracosaurus mississippiensis †Eulima †Euspira †Eutrephoceras †Exilia †Exogyra †Exogyra cancellata †Exogyra costata
This area of hadrosaur study was in its infancy at this point, and only the species known today as Edmontosaurus annectens, Edmontosaurus regalis, and Gryposaurus notabilis (at that time thought to be a synonym of its relative Kritosaurus) had specimens suitable at the time to be examined (Lambeosaurus was listed as having a briefly described ...