Edmontosaurus

Edmontosaurus is a genus of large, plant-eating hadrosaurid dinosaurs from Late Cretaceous North America. Its species include some of the best-known duck-billed dinosaurs.

Hadrosauridae: Hadrosauridae is a family of herbivorous dinosaurs commonly called duck-billed dinosaurs. Edmontosaurus belongs to this family of ornithopods.
Edmontosaurus annectens: Edmontosaurus annectens is a species of Edmontosaurus known from latest Cretaceous deposits in western North America. It is one of the genus’s two widely recognized species.
Herbivory: Herbivory is a feeding strategy in which animals consume plants or plant parts. Edmontosaurus’s teeth and jaws were adapted for processing vegetation.
Lawrence Lambe: Lawrence Lambe was a Canadian paleontologist who named Edmontosaurus regalis in 1917. His description established the genus name.
Ornithopoda: Ornithopoda is a major group of herbivorous dinosaurs that includes hadrosaurs and their relatives. This broader dinosaur group contains Hadrosauridae.
Edmontosaurus regalis: Edmontosaurus regalis is a species of Edmontosaurus known chiefly from Campanian deposits in Alberta. Its fossils help establish the genus’s earlier North American record.
Hadrosaurid jaw mechanics: Hadrosaurid jaw mechanics describes how skull joints and teeth enabled grinding during chewing. This system explains how Edmontosaurus ground plant food despite its beak.
Othniel Charles Marsh: Othniel Charles Marsh was an American paleontologist central to nineteenth-century dinosaur research. His earlier genus Claosaurus became part of the history of Edmontosaurus classification.
Lambeeosaurinae: Lambeosaurinae is a hadrosaurid subfamily whose members generally bore hollow crests on their skulls. Its conspicuous crests contrast with Edmontosaurus’s lack of a hollow cranial crest.
Dakota: Dakota is the nickname of a remarkably preserved Edmontosaurus fossil discovered in North Dakota. Its preserved skin and soft-tissue outlines reveal details rarely retained in dinosaur fossils.

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