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. 2009 Mar 4;4(3):e4591. doi: 10.1371/journal.pone.0004591

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This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

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A, Eubrontes, referred specimen, right pes (AC 45/1; traced from [38]). B, Gigandipus, holotype, left pes (AC 9/16; traced from [47]). C, Anchisauripus, holotype, left pes (AC 4/6; traced from [38]). D, Grallator, holotype, left pes (reversed image of natural cast) (AC 4/1a; traced from [38]). E, Dilophosauripus, holotype, ?left pes (UCMP 79690; traced from [50]). F, Kayentapus, right pes from holotype trackway (UCMP 83668; traced and modified from [50]). Scale bar equals 5 cm. AC = Appleton Cabinet, Amherst College, Amherst, Massachusetts, United States of America; UCMP = University of California Museum of Paleontology, Berkeley, California, United States of America.