Allosaurus Fragilis: A Revised Osteology. Front Cover. James H. Madsen. Utah Geological and Mineral Survey, Utah Department of Natural Resources, Allosaurus Fragilis: A Revised Osteology. Front Cover. James H. Madsen (Jr.) Utah Geological and Mineral survey, – pages. Allosaurus Fragilis: A Revised Osteology. Front Cover. James H. Madsen. Utah Department of natural resources. Utah geological and mineral survey,

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A massive accumulation of dinosaur bones pertaining to at least eleven genera, and possibly more, lie within the Brushy Basin Member of the Late Jurassic Morrison Formation. Utah — Emery County.

Allosaurus fragilis : a revised osteology

Your rating has been recorded. Allosauruscrocodiles, and birds: Allosaurus Fragilisthe most common taxon, is represented by bones from many individuals of different size. Lalosaurus About Help Search. Please re-enter recipient e-mail address es. Paleontology — Utah — Emery Co.

Allosaurus: A Revised Osteology PDF

Separate different tags with a comma. Your request to send this item has been completed. Funding by NSF Comments. Please enter recipient e-mail address es. Unlike predators such as Ceratosaurus and Torvosaurus who lived alongside it, Allosaurus had powerful arms with large hands and big claws.

The variety, preservation, and great number of bones may never be as well represented for any other theropod genus. Allosaurus had short crest-like horns in front of its eyes, which were possibly used to attract mates or recognize other members of its species. James H Madsen Find more information about: You may have already requested this item. Would you also like to submit a review for this item?


Utah Geological Survey Bulletinpp. Please select Ok if you would like to proceed with this request anyway.

Reviews User-contributed reviews Add a review and share your thoughts with other readers. Check copyright status Cite this Title Allosaurus fragilis: These 2 locations in All: About this Specimen The braincase was scanned by Richard Ketcham on 18 June along the coronal axis for a total of slices, each slice 1.

Your list has reached the maximum number of items. The name field is required. Accessed December 31, at http: The back part of the allosaurks was also dropped down relative to the snout, allowing Allosaurus to have more teeth in contact with its prey when it snapped its jaws shut.

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Ask a question about this product. Login to add to list. The material is also more than adequate for studies of growth, individual variation, and abnormality. Allosaurus fragilis is the quintessential Jurassic carnivorous dinosaur and one of the most popular dinosaurs worldwide.


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These adaptations would have allowed it to use its arms in attacking prey. About the Revieed Literature Chure, D. Sixty or more individuals are indicated by more than ten thousand elements.

Sankar Chatterjee of Texas Tech University. United States National Museum Bulletin View all subjects More like this Similar Items. Osteology of the carnivorous Dinosauria in the United States National Museum, with special reference to the genera Antrodemus Allosaurus and Ceratosaurus. James H Madsen Publisher: Journal of Zllosaurus Paleontology View online Borrow Buy.

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Allosaurus fragilis : a revised osteology (Book, ) []

We were unable to fragilid this edition in any bookshop we are able to search. It was the dominant carnivorous dinosaur of the Jurassic Period, inhabiting western North America. Please verify that you are not a robot. This represents the best-known collection of theropod remains for one particular genus in a single area.

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