Secernosaurus
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Secernosaurus is a genus of herbivorous hadrosaurid dinosaur that lived during the Late Cretaceous of what is now Argentina. This genus and its close relatives lived in South America, unlike most hadr
Huallasaurus, once considered a junior synonym of Secernosaurus, is still considered a close relative
Yardangs in dunes, White Sands National Park, New Mexico, United States
Toklat River East Fork 01
Saurolophinae
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Saurolophinae is a subfamily of hadrosaurid dinosaurs. It has since the mid-20th century generally been called the Hadrosaurinae, a group of largely non-crested hadrosaurs related to the crested sub-f
Secernosaurus
…similar to that of hadrosaurids from the Northern Hemisphere. Phylogenetic analyses have found Secernosaurus to be a member of the hadrosaurid tribe Kritosaurini within the subfamily Saurolophinae. North American animals such as Kritosaurus and Gryposaurus are also part of this clade. Rozadilla et al. (2022…
Oxford Edmontosaurus
Likely dispersal route of the Austrokritosauria from North America to South America (red arrow)