described as transitional between the earlier Lambeosaurus and later Hypacrosaurus. Hypacrosaurus was a lambeosaurine hadrosaurid, and has been recognized as such...

as a juvenile of Hypacrosaurus. Following the recognition of cheneosaurs as juveniles of Lambeosaurus, Corythosaurus, and Hypacrosaurus, American palaeontologist...

lambeosaurine, thus related to Lambeosaurus, Nipponosaurus, Velafrons, Hypacrosaurus, and Olorotitan. Corythosaurus has an estimated length of 7.7–9 metres...

from Corythosaurus and Hypacrosaurus, the pubic bone differs between the species: while in L. lambei, Corythosaurus and Hypacrosaurus it is bulbous with a...

occurred at different times in the growth of different species; in Hypacrosaurus stebingeri it did not occur until a nearly adult stage, whereas in a...

the Saurolophinae. At the time, this also included Corythosaurus and Hypacrosaurus, the only well-known examples of what would become the Lambeosaurinae...

of hadrosaurids, referable to the genus Hypacrosaurus, coexisted with Maiasaura for some time, as Hypacrosaurus remains have been found lower in the Two...

them. However, these were later determined to be juvenile forms of Hypacrosaurus, Corythosaurus and Lambeosaurus, and not distinct species. For the remainder...

the lambeosaurines, distinct from the helmet-crested Corythosaurus, Hypacrosaurus, and Lambeosaurus. Its closest known relative appears to be Charonosaurus...

also been reported for both of these fossils, along with a specimen of Hypacrosaurus. In 2015, Sergio Bertazzo and colleagues reported the preservation of...

species of Lambeosaurus, suggested it could instead be a species of Hypacrosaurus, or questioned its validity. In 2012 it was named as a separate genus...

large dinosaurs like the ceratopsid Centrosaurus and the hadrosaur Hypacrosaurus. In some areas, Daspletosaurus coexisted with another tyrannosaurid...

younger Hypacrosaurus altispinus-Saurolophus osborni zone. This period is typified by the presence of the hadrosaurids Saurolophus and Hypacrosaurus, in addition...

form in between Lambeosaurus and Hypacrosaurus; in 1994 he would name it Hypacrosaurus stebingeri. Today, Hypacrosaurus stebingeri is no longer seen as...

"Hypacrosaurus" stebingeri...

form in between Lambeosaurus and Hypacrosaurus; in 1994 he would name it Hypacrosaurus stebingeri. Today, Hypacrosaurus stebingeri is no longer seen as...

sites were discovered later, including the Devil's Coulee site yielding Hypacrosaurus stebingeri in southern Alberta in 1987. The loosely consolidated fine...

Maiasaura, were considered by Wagner to be synonymous with Saurolophus, Hypacrosaurus and Brachylophosaurus respectively. Prosaurolophus maximus was reassigned...

Dinosaur Provincial Park. Some of the specimens, from left to right, are Hypacrosaurus, Edmontosaurus, Lambeosaurus, Gorgosaurus (both in the background),...

dinosaur eggs, believed to have come from a Hadrosaur, specifically a Hypacrosaurus were found at Devil's Coulee site. These were not the first fossils...

through a phylogenetic analysis that it was closest to Corythosaurus and Hypacrosaurus. As a hadrosaurid, Olorotitan would have been a bipedal/quadrupedal...

particularly over the hips, and were described as second only to those of Hypacrosaurus altispinus and the tips of those found in the first few vertebrae of...

Arrhinoceratops, Atrociraptor, Epichirostenotes, Edmontonia, Edmontosaurus, Hypacrosaurus, Ornithomimus, Pachyrhinosaurus, Parksosaurus, Saurolophus, and Struthiomimus...

permanently hinder plant growth. Animals such as the Chasmosaurus, Hypacrosaurus, Troodon, and Edmontosaurus may have all migrated north to take advantage...

Edmontonia Chebsaurus Chenanisaurus Cheneosaurus – junior synonym of Hypacrosaurus Chialingosaurus Chiayusaurus Chienkosaurus – possible junior synonym...

2016. Retrieved 2021-10-29. "Lot 86 - Dinosaur: Freya: A fossilised Hypacrosaurus". 2020-12-01. Archived from the original on 2020-12-01. Retrieved 2021-10-31...

dinosaurs known. These include the genera Edmontosaurus, Saurolophus, and Hypacrosaurus. Ceratopsians and ornithomimids were also very common, together making...

Charonosaurus Parasaurolophus Tlatolophus Lambeosaurini Amurosaurus Corythosaurus Hypacrosaurus Lambeosaurus Magnapaulia Olorotitan Sahaliyania Velafrons...

Charonosaurus Parasaurolophus Tlatolophus Lambeosaurini Amurosaurus Corythosaurus Hypacrosaurus Lambeosaurus Magnapaulia Olorotitan Sahaliyania Velafrons...

Cretaceous. E. regalis shared this setting with fellow hadrosaurids Hypacrosaurus and Saurolophus, the parksosaurid Parksosaurus, the ceratopsids Montanoceratops...