Hadrosaurids (from Ancient Greek ἁδρός (hadrós) 'stout, thick' and σαύρα (saúra) 'lizard'), or hadrosaurs, are members of the ornithischian family Hadrosauridae. This group is known as the duck-billed dinosaurs for the flat duck-bill appearance of the bones in their snouts.

2024年1月17日 · Duck-billed Dinosaurs (Hadrosauridae), Ancient Environments, and Cretaceous Beringia in Alaska’s National Parks By Anthony R. Fiorillo , Perot Museum of Nature and Science Paul J. McCarthy , University of Alaska

Hadrosauroidea is a clade or superfamily of ornithischian dinosaurs that includes the "duck-billed" dinosaurs, or Hadrosauridae, and all dinosaurs more closely related to them than to Iguanodon. Their remains have been recovered in Asia, Europe, Africa and the Americas.

2024年2月11日 · In this article, we will take a quick overview of the Hadrosauridae, the group of the most dominant herbivores during the Late Cretaceous Period. Let’s jump right through!

Despite the fact that the family Hadrosauridae has Hadrosaurus as its type genus, the skeleton lacks a skull and was long viewed as too incomplete to compare to other hadrosaurs for classification purposes, leading most scientists to consider it …

Hadrosaurids or duck-billed dinosaurs are members of the people Hadrosauridae, and include ornithopods such as Edmontosaurus and Parasaurolophus. They were ordinary herbivores in the Upper Cretaceous of Asia, Europe, and North America.

There are two current definitions of Hadrosauridae: (1) the last common ancestor of lambeosaurines, hadrosaurines, Telmatosaurus, Secernosaurus, and (one supposes) now Protohadros, and all of its descendants; and (2) only lambeosaurines plus hadrosaurines sometimes called "Euhadrosauria").

2022年12月2日 · Hadrosaurids (from grc ἁδρός (hadrós) 'stout, thick', and σαύρα (saúra) 'lizard'), or duck-billed dinosaurs, are members of the ornithischian family Hadrosauridae. This group is known as the duck-b...

Hadrosauridae is defined as the node representing the most recent common ancestor of Parasaurolophus walkeri Parks, 1922, and Hadrosaurus foulkii (sensu Prieto-Márquez 2010) and all of its descendants.

2023年9月6日 · Dinosaurs of the family Hadrosauridae were widespread and are found on most continents. Hadrosaur fossils have been found in North America, Europe, Africa, and Asia.