Baryonyx

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• It has a very narrow skull, with many small pointed teeth, many more than its relatives, the other Theropod dinosaurs: Baryonyx's teeth included 64 teeth in the lower jaw ("mandible") and 32 larger teeth in the upper jaw ("maxilla"). Additionally, the upper jaw contained a sharp angle near the snout that help to prevent prey from escaping (a similar feature is founded in crocodiles for this purpose).
  
  
• It did not have a flexible neck like other Theropod dinosaurs. Furthermore, Baryonyx's head was set an acute angle to the neck, rather than the 90 degree angle found in other dinosaurs.
  
  
• A huge curved claw, about 1 foot (30 centimeters) long, was found with the fossil Baryonyx. It is not certain if this claw was attached to the front or rear feet. It is possible that Baryonyx used this claw to hook fish out of water, while hunting on riverbanks. In any case, Baryonyx was named for this claw, Baryonyx means "heavy claw".

• The first example was discovered by amateur fossil-hunter, William Walker, who, in 1983, came across an enormous claw sticking out of the side of a clay pit near Dorking, Surrey in England. About 70% of the skeleton, including the skull, as well as the fossilized remains of its last meal inside the rib cage (which is how we know it ate fish), was recovered from this find, and this provided a lot of detail to researchers. (This particular specimen is now located in the Natural History Museum in London, England).
  
  
• Subsequently, further Baryonyx fossils were found in Spain. These principally consisted of a partial skull and some fossil tracks.

Baryonyx Timeline:

Baryonyx was a carnivore (meat-eater) that lived about 125 million years ago

Related Information & Resources

• Baryonyx Pictures
  
  
• Cretaceous Period - Baryonyx lived about 125 million years ago, during the Cretaceous period
  
  
• Dinosaur Names
  
  
• Dinosaur Types
  
  
• European Dinosaurs - Baryonyx lived in Europe (fossils have been found in England and Spain).
  
  
• Saurischian Dinosaurs
  
  
• Theropod Dinosaurs

Baryonyx Facts

1. Baryonyx was a genus of dinosaur.
   
   
2. "Baryonyx" means "heavy claw" (because of the animal's large claw).
   
   
3. Baryonyx was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Baryonyx was not closely related to lizards, it did have similarly shaped pelvic bones.
   
   
4. Baryonyx was a Theropod - a member of a group of related bipedal dinosaurs that included the ancestors of birds (although Baryonyx was not itself an ancestor of birds).
   
   
5. Baryonyx lived about 125 million years ago, during the Cretaceous period.
   
   
6. Baryonyx lived in Europe (fossils have been found in England and Spain).
   
   
7. Baryonyx was a carnivore (meat-eater).
   
   
8. Baryonyx's diet is known to have included fish, as fossilized fish remains have been found in its stomach.
   
   
9. Baryonyx was about 2¼ feet (0.7 meters) in length - although this may be the juvenile size.
   
   
10. Baryonyx weighed about 4½ pounds (2 kilograms) - although this may be the juvenile weight.

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Baryonyx Books

Baryonyx (Dinosaurs) By Michael P. Goecke Buddy Books Library Binding (32 pages; 1) List Price: $25.65* Lowest New Price: $20.03* Lowest Used Price: $7.00* Usually ships in 24 hours* *(As of 06:30 Pacific 2 Sep 2010 More Info) Click Here

Baryonyx and Other Dinosaurs of the Isle of Wight Digs in England (Dinosaur Find) By Dixon Picture Window Books Library Binding (24 pages; 1) List Price: $25.99* Lowest New Price: $16.95* Lowest Used Price: $9.95* Usually ships in 24 hours* *(As of 06:30 Pacific 2 Sep 2010 More Info) Click Here ISBN13: 9781404847194 Notes: BUY WITH CONFIDENCE, Over one million books sold! 98% Positive feedback. Compare our books, prices and service to the competition. 100% Satisfaction Guaranteed Product Description: On what is now a small island off of England, dinosaurs with everything from crocodile-like teeth to huge stomachs lived together. Explore how these dinosaurs lived and died millions of years ago.

Looking at...Baryonyx: A Dinosaur from the Cretaceous Period By Tamara Green Gareth Stevens Publishing Hardcover (24 pages; 1) List Price: $19.93* Lowest New Price: $12.00* Lowest Used Price: $0.01* *(As of 06:30 Pacific 2 Sep 2010 More Info) Click Here

Spinosaurids: Spinosaurus, Irritator, Baryonyx, Spinosauridae, Suchomimus, Siamosaurus, Suchosaurus, Cristatusaurus, Asiamericana Books LLC Paperback (58 pages) List Price: $19.99* Lowest New Price: $19.99* Lowest Used Price: $21.48* Usually ships in 24 hours* *(As of 06:30 Pacific 2 Sep 2010 More Info) Click Here Product Description: 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: Spinosaurus, Irritator, Baryonyx, Spinosauridae, Suchomimus, Siamosaurus, Suchosaurus, Cristatusaurus, Asiamericana, Sinopliosaurus, Altispinax. Excerpt: Altispinax Altispinax (pronounced / ælt spa n ks/ ; "high spine") was a genus of spinosaurid dinosaur which lived during the early Cretaceous of Europe . The type species , Altispinax dunkeri (Dames, 1884 and von Huene , 1923), is known only from teeth. Other described species have since been moved to other genera, including Baryonyx . Vertebrae initially linked with the teeth are now known to be from the carnosaur Becklespinax . Thus Altispinax is now usually considered a nomen dubium . Websites (URLs online) A hyperlinked version of this chapter is at Asiamericana Fossil range: Cretaceous Asiamericana (AY-zha-MER-i-KAHN-a - (Greek : Asia meaning "Asia" and Latin American meaning "America") was a genus of theropod dinosaur which was named to recognize the occurrence of similar fossil teeth in Central Asia and North America . These regions once formed a connected land mass, during the Cretaceous period and were referred to as Asiamerica . Asiamericana has been tentatively classified with the Spinosauridae . The teeth were discovered by L. A. Nesov in 1995. The findings were based on three teeth found in the central Kyzylkum desert , Uzbekistan , comparable to other teeth found in Kazakhstan and North America, which have been illustrated but not formally described. The type species is A. asiatica . Classification issues Nesov himself has cautioned that these unusual teeth may belong to saurodont fish rather than to dinosaurs . References (URLs online) A hyperlinked version of this chapter is at Baryonyx Fossil range: Early Cretaceous , 130 125 Ma Pre O S D C P T J K Pg N item Baryonyx skeleton at the Natural History Museum in L...

Dinosaure D'europe: Archaeopteryx, Stegosaurus, Baryonyx, Dinosaures En France, Brachiosaurus, Allosaurus, Diplodocidae, Ampelosaurus (French Edition) Books LLC Paperback (116 pages) List Price: $14.14* Lowest New Price: $14.14* Usually ships in 24 hours* *(As of 06:30 Pacific 2 Sep 2010 More Info) Click Here Product Description: Les achats comprennent une adhésion à l'essai gratuite au club de livres de l'éditeur, dans lequel vous pouvez choisir parmi plus d'un million d'ouvrages, sans frais. Le livre consiste d'articles Wikipedia sur : Archaeopteryx, Stegosaurus, Baryonyx, Dinosaures En France, Brachiosaurus, Allosaurus, Diplodocidae, Ampelosaurus, Ceratosaurus, Agnosphitys, Camptosaurus, Aragosaurus, Eotyrannus, Echinodon, Zalmoxes, Tarascosaure, Agrosaurus, Amygdalodon, Altispinax, Amurosaurus, Acanthopholis, Alocodon, Aepisaurus, Aristosuchus, Yaverlandia, Aviatyrannis, Dubreuillosaurus, Albisaurus, Piveteausaurus, Euronychodon, Cetiosauriscus, Variraptor. Non illustré. Mises à jour gratuites en ligne. Extrait : Les archæoptéryx ou archéoptéryx (Archaeopteryx) forment un genre d'animaux disparus, considérés comme les oiseaux les plus anciens connus. Ces animaux tropicaux, d'une longueur inférieure à 60 cm, ont vécu à la fin du Jurassique, il y a 156 à 150 Ma dans un environnement alors insulaire, qui se situe actuellement en Allemagne. Les découvertes d'archéoptéryx ont largement contribué à l'affirmation de la théorie la plus courante de l'histoire évolutive des oiseaux à savoir que les oiseaux descendent des dinosaures de l'ordre des théropodes. Tailles comparées des spécimens d'archéoptéryx. Squelette complet, reconstitution De gauche à droite, les bassins de :-Coelophysis ---Allosaurus ---Velociraptor ---Archaeopteryx ---Columba Pattes avant de Maniraptorien typique, un Deinonychus (à gauche) et un Archaeopteryx (à droite). Plumes rectrices fixées sur les vertèbres de la queue. Détail de la queue Les fossiles trouvés ont la taille d'un pigeon. Spécimen de BerlinLes plumes des archéoptéryx ont été très étudiées, notamment grâce au spécimen bien conservé de Berlin. Cependant, comme nous ne savons pas formellement si tous les fossiles trouvés sont de la même espèce, il importe que chaque étude précise sur quel spécimen elle porte. Les plumes du c...http://booksllc.net/?l=fr

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