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Related to hadrosaurid: Hadrosaurs


Any of various herbivorous ornithischian dinosaurs of the family Hadrosauridae of the Cretaceous Period, having a broad toothless beak, numerous teeth in the back of the jaw, a stiff tail, and sometimes a crest on the head. Also called duckbill, duck-billed dinosaur, hadrosaur.

[From New Latin Hadrosauridae, family name, from Hadrosaurus, type genus; see hadrosaurus.]

had′ro·saur′id adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Research in the 1990s revealed an arched nasal crest thought to be distinctive of the hadrosaurid Gryposaurus.
In the 1990s, researchers found an arched nasal crest previously associated with another dinosaur, the hadrosaurid Gryposaurusand.
A hadrosaurid vertebra was recovered during a palynological survey of the Upper Cretaceous Kanguk Formation in the eastern Canadian Arctic.
Detailed study of the skeleton of "Joe" identified it as the most complete specimen yet known for Parasaurolophus (pronounced PAIR-uh-SORE-AH-luf-us), a duck-billed (hadrosaurid) dinosaur that lived throughout western North America around 75 million years ago.
Woodbine outcrops along Bear Creek near the south entrance to Dallas-Fort Worth International Airport have produced crocodilian, theropod, nodosaurid and hadrosaurid remains (Lee 1997).
Today I'm enquiring about a 90m-year-old Hadrosaurid Egg from China.
This finding has confused him because evidence suggests that hypacrosaurs and other members of the hadrosaurid family apparently nurtured their young.
The sheer number of teeth gave the hadrosaurid, a plant-eating dinosaur, the ability to chew on abrasive plants.
A Hadrosaurid (Dinosauria: Ornithischia) from the Late Cretaceous (Campanian) Kanguk Formation of Axel Heiberg Island, Nunavut, Canada and Its Ecological and Geographical Implications.
The pair discovered tooth marks on a femur bone from a Champsosaurus, an aquatic reptile that grew up to five feet long; the rib of a dinosaur, most likely a hadrosaurid or ceratopsid; the femur of another large dinosaur that was likely an ornithischian; and a lower jaw bone from a small marsupial.