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

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...

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.

Hadrosaurids, or duck-billed dinosaurs, are members of the ornithischian family Hadrosauridae. This group is also known as the duck-billed dinosaurs, for the flat, duck-bill appearance of the bones in their snouts.

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.

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").

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!

The fossil remains of young dinosaurs are very rare. This juvenile hadrosaur is a cast of one of the fifteen individuals of baby Maiasaura ("good mother lizard") collected in 1978 by Princeton University from the Upper Cretaceous (80-65 million years ago) Two Medicine Formation of Teton County in western Montana. The presence of several small skeletons, apparently all of the …

2022年3月28日 · The ornithischian family of the Hadrosauridae got their ‘duck-billed’ nickname from the flat and very wide beak-like structure that grew from the front of the skull (head).