Fossil Footprints of Western North America: Bulletin 62

Alberta ankylosaur avian bird tracks Brasilichnium British Columbia Bulletin 62 burrows Canyon crocodylian Dakota Group Denver deposits digit dinosaur tracks dinosaur tracksite Eubrontes excavated exposure FIGURE foot Fossil footprints Geological Gierlinski Gwyneddichnium hadrosaur History and Science ichnofauna ichnogenus ichnology Ichnos ichnosp ichnospecies ichnotaxa ichnotaxon impressions invertebrate Jurassic Lakes length locality Lockley and Hunt Lower Cretaceous Lucas main track layer manus tracks McCrea Mesozoic meters Mexico Museum Moenkopi Formation morphology morphotype Mountain Formation Museum of Natural National Monument National Park natural cast Natural History Navajo NMMNHS northeastern British Columbia ornithopod outcrop Paleontology pes tracks preserved prints PRPRC pterosaur pterosaur tracks quarry reported River sand Sandstone sauropod Seminoe Seminoe Reservoir shale showing slab specimens stratigraphic substrate swim tracks tetrapod theropod theropod tracks tion trace fossils track-bearing surface trackmaker tracksites trackway Triassic tridactyl University of Colorado Upper Cretaceous Utah UUIC vertebrate vertebrate tracks width Wyoming