Dromaeosaurs: Velociraptor, Dromaeosauridae, Deinonychus, Microraptor, Balaur, Sinornithosaurus, Rahonavis, Saurornitholestes, Tianyuraptor - Softcover
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 47. Chapters: Velociraptor, Dromaeosauridae, Deinonychus, Microraptor, Balaur, Sinornithosaurus, Rahonavis, Saurornitholestes, Tianyuraptor, Dromaeosaurus, Utahraptor, Cryptovolans, Achillobator, Buitreraptor, Ornithodesmus, Mahakala, Bambiraptor, Nuthetes, Hesperonychus, Linheraptor, Unenlagia, Variraptor, Austroraptor, Adasaurus, Neuquenraptor, NGMC 91, Graciliraptor, Pyroraptor, Unquillosaurus, Dromaeosauroides, Atrociraptor, Shanag, Tsaagan, Luanchuanraptor, Itemirus, Airakoraptor. Excerpt: Dromaeosauridae is a family of bird-like theropod dinosaurs. They were small- to medium-sized feathered carnivores that flourished in the Cretaceous Period. The name Dromaeosauridae means 'running lizards', from Greek dromeus (δρομευς) meaning 'runner' and sauros (σαυρος) meaning 'lizard'. In informal usage they are often called raptors (after Velociraptor), a term popularized by the film Jurassic Park; a few types include the term "raptor" directly in their name and have come to emphasize their supposed bird-like habits. Dromaeosaurid fossils have been found in North America, Europe, Africa, Japan, China, Mongolia, Madagascar, Argentina, and Antarctica. They first appeared in the mid-Jurassic Period (late Bathonian stage, about 164 million years ago) and survived until the end of the Cretaceous (Maastrichtian stage, 65.5 ma), existing for over 100 million years, up until the Cretaceous-Tertiary extinction event. The presence of dromaeosaurs as early as the Middle Jurassic has been confirmed by the discovery of isolated fossil teeth, though no dromaeosaurid body fossils have been found from this epoch. Velociraptor mongoliensis restored with large wing feathers, as evidenced by fossil quill knobsThe distinctive dromaeosaurid body plan helped to rekindle theories that at least some dinosaurs may have been active, fast, and closely related ...
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- VerlagBooks LLC, Wiki Series
- Erscheinungsdatum2011
- ISBN 10 1155178351
- ISBN 13 9781155178356
- EinbandTapa blanda
- SpracheEnglisch
- Anzahl der Seiten48
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