Fossil Footprints of Western North America: Bulletin 62

Alberta ankylosaur assemblage avian bird tracks British Columbia Bulletin 62 burrows Creek Formation crocodylian Dakota Group Denver deposits digit dinosaur tracks dinosaur tracksite Eubrontes excavated exposed exposure FIGURE Fossil footprints Geological Gierlinski Gwyneddichnium hadrosaur History and Science ichnofauna ichnogenus ichnology Ichnos ichnosp ichnospecies ichnotaxa ichnotaxon impressions interpreted invertebrate Jurassic Lake length locality Lockley 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 NMMNHS northeastern British Columbia ornithopod outcrop Paleontology pes tracks preserved PRPRC pterosaur pterosaur tracks quarry reported River Sandstone sauropod Seminoe Seminoe Reservoir slab specimens stratigraphic substrate swim tracks tetrapod theropod theropod tracks tion trace fossils track surface track-bearing trackmaker tracksites trackway Triassic tridactyl University of Colorado Upper Cretaceous Utah UUIC vertebrate vertebrate tracks width Wyoming