Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun 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.

from The Century Dictionary.

  • noun One of the Hadrosauridæ.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology Any of the family Hadrosauridae of duck-billed dinosaurs; a hadrosaur.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

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

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Examples

  • In the photo above, Luis is holding a caudal vertebra from a hadrosaurid that bears a deep score mark across its surface.

    Archive 2006-02-01 Darren Naish 2006

  • 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.

    Science Blog 2010

  • 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.

    PhysOrg.com - latest science and technology news stories 2010

  • 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.

    PhysOrg.com - latest science and technology news stories 2010

  • Telmatosaurus is placed as the basal hadrosaurid, the sister taxon to the Lambeosaurinae-Hadrosaurinae clade.

    Yahoo! Answers: Latest Questions 2010

  • Telmatosaurus is placed as the basal hadrosaurid, the sister taxon to the Lambeosaurinae-Hadrosaurinae clade.

    Yahoo! Answers: Latest Questions 2010

  • The findings also include the remains of a 20 meter (66 ft) hadrosaurid, a record size for the duck-billed dinosaur.

    Formae Mentis NGO™ 2009

  • Three tyrannosaurs and a hadrosaurid dinosaur have also been found to have such soft-tissue-like structures.

    Conservapedia - Recent changes [en] 2009

  • This particular fossil came from a hadrosaurid (duck-billed dinosaur), so I guess I'm boning them first.

    Geekologie - Gadgets, Gizmos, and Awesome 2009

  • This particular fossil came from a hadrosaurid (duck-billed dinosaur), so I guess I'm boning them first.

    Geekologie - Gadgets, Gizmos, and Awesome 2009

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