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track pattern, and a trackway that shows twice the amount of space (as compared to the aforementioned tracks) between footfalls in tracks the same size. This indicates that the two trackways represent distinct locomotion pattern: the closer footfalls a walking speed with the wider footfalls representing a low-speed ‘run.’
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Recent investigations at Quarry 5 yielded trace fossils on the top of the beds that contain the body fossils, including tracks likely made by juvenile and adult
Apatosaurus ajax. On a single ex situ boulder, juvenile sauropod trackways demonstrate two distinct footfall cadences – a near heel-toe hind
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While the trackway of close footfalls does demonstrate relatively shallow, lunate manual tracks, the wider footfalls have no features representing manual tracks (either overstepped or not). This suggests the possibility that young
Apatosaurus had the capability of moving short distances bipedally.
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This painting depicts a historic
Morrison Formation site, Quarry 5 in Morrison, Colorado. Discovered by Arthur Lakes in the spring of 1877, this site is most significant because it produced the type of Stegosaurus armatus, Yale Peabody Museum specimen 1850. Sauropod remains have been documented at
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322:– You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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Reason: Sauropods could not walk or run on its back legs. One of the hatchlings in the middle is shown curving its neck in a
Charles R. Knight-styled "S"-shaped neck position, which sauropods could not do in real
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of WikiProject
Dinosaurs on the English Knowledge. Note that this image may be appropriate to illustrate obsolete paleontological views.
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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If the file has been modified from its original state, some details may not fully reflect the modified file.
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I, the copyright holder of this work, hereby publish it under the following license:
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Patient work at Quarry 5 is ongoing - hampered by very hard, silicic sandstone."
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Matthew T. Mossbrucker
Director and Chief Curator ____________________________
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acrylics by brush on cardboard size 39.5 x 24.5 cm (15.5 x 9.6 inches)
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You may ask further questions about the accuracy of this image at the
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This dinosaur restoration is inaccurate, or its accuracy is disputed.
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Click on a date/time to view the file as it appeared at that time.
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Creative
Commons Attribution-ShareAlike 4.0 International
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Scientific supervision and text by
Matthew Mossbrucker
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Add a one-line explanation of what this file represents
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Commons is a freely licensed media file repository.
198:"Description of Fabio’s Apatosaurus ajax painting
339:https://creativecommons.org/licenses/by-sa/4.0
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180:"Speedy the Sauropod".jpg
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734:3,031,029
645:image/jpeg
630:media type
575:9 May 2011
420:some value
228:9 May 2011
187:Italiano:
89:image/jpeg
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
