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Ornithopod Dinosaurs
The Ornithopoda (meaning "bird feet")
are an infraorder of herbivorous (plant-eating) dinosaurs.
Early members of this infraorder were small bipedal (walking on two legs)
running animals.
Later Ornithopods were often much larger and at least partially
quadrupedal (walking on
four legs). As a group they were very successful, especially the
duck-bills (Hadrosaurs), it seems principally as a result their
evolution of sophisticated chewing apparatus.
The name Ornithopoda, refers to the animals feet, which in
later species were three-toed (earlier species often had four toes),
and outwardly tended to resemble those of birds (although the
Ornithopoda are not closely related to birds).
Ornithopods first appeared during the
early
Jurassic period,
perhaps around 200 million years ago,
and survived until the
end of the
Cretaceous period.
Ornithopods were among the dinosaurs
which died out during the
mass extinction
of 65 million years ago.
The Ornithopoda infraorder, together with the infraorders of
Ceratopsia ("horned faces")
and
Pachycephalosauria ("thick-headed lizards")
form the the suborder Cerapoda of the
Ornithischian
dinosaurs.
Ornithopod Dinosaur Timeline:
Ornithopods dinosaurs first appeared during the early Jurassic, about 200 million years ago, and survived until the end of the Cretaceous period, about 65 million years ago
Types of Ornithopod Dinosaurs
Here is a list of some Ornithopod dinosaurs:
Related Information & Resources
See Also
Ornithopod Dinosaur Books
Here are some books from Amazon.com:
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Indiana University Press
Hardcover (384 pages)
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Horns and Beaks completes Ken Carpenter’s series on the major dinosaur types. As with his volumes on armored, carnivorous, and sauropodomorph dinosaurs, this book collects original and new information, reflecting the latest discoveries and research on these two groups of animals. The Ornithopods include Iguanodon, one of the first dinosaurs ever discovered and analyzed, and perhaps the most common and best-documented group, the hadrosaurs or "duckbilled dinosaurs." The Ceratopsians include Triceratops, known for its distinctive three-horned skull and protective collar. Contributors are Michael K. Brett-Surman, Kathleen Brill, Kenneth Carpenter, Benjamin S. Creisler, Tony DiCroce, Andrew A. Farke, Peter M. Galton, David Gilpin, Thomas M. Lehman, Nate L. Murphy, Christopher J. Ott, Gregory S. Paul, Xabier Pereda Suberbiola, Albert Prieto-Marquez, Bruce Rothschild, José Ignacio Ruiz-Omeñaca, Darren H. Tanke, Mark Thompson, David Trexler, and Jonathan R. Wagner. |
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By Thom Holmes
Enslow Publishers
Library Binding (128 pages; 1)
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Books LLC
Paperback (110 pages)
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Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Thescelosaurus, Hypsilophodont, Laosaurus, Parksosaurus, Ornithopod, Oryctodromeus, Drinker, Jeholosaurus, Zephyrosaurus, Phyllodon, Qantassaurus, Othnielia, Loncosaurus, Nanosaurus, Notohypsilophodon, Changchunsaurus, Leaellynasaura, Siluosaurus, Eugongbusaurus, Orodromeus, Atlascopcosaurus, Yandusaurus, Tichosteus, Gasparinisaura, Fulgurotherium, Eucercosaurus, Bakesaurus. Excerpt: Thescelosaurus (pronounced , from the Greek -/thescelo- meaning "godlike", "marvelous", or "wondrous" and /saurus "lizard") was a genus of small ornithopod dinosaur that appeared at the very end of the Late Cretaceous period in North America. It was a member of the last dinosaurian fauna before the Cretaceous-Tertiary extinction event around 65.5 million years ago. The preservation and completeness of many of its specimens indicate that it may have preferred to live near streams. This bipedal ornithopod is known from several partial skeletons and skulls that indicate it grew to between 2.5 and 4.0 meters (8.2 to 13.1 ft) in length on average. It had sturdy hind limbs, small wide hands, and a head with an elongate pointed snout. This genus of dinosaur is regarded as a specialized hypsilophodont and a herbivore. Several species have been suggested for this genus. Two are currently recognized as valid, the type species T. neglectus, and T. garbanii; a third as-yet unnamed species may also be present in the known material. The genus attracted media attention in 2000, when a specimen unearthed in 1993 in South Dakota was interpreted as including a fossilized heart. There was much discussion over whether the remains were actually of a heart. Many scientists now doubt the identification of the object and the implications of such an identification. The size of Thescelo... More: http://booksllc.net/?id=3122976 |
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By David B. Weishampel
Springer-Verlag
Paperback
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Pegasus Publishing
Unknown Binding (57 pages)
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Indiana Univ Pr 2007-01-01
Unknown Binding
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By Thom Holmes
Enslow Publishers, Incorporated
Hardcover
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