[F] Dakota Formation - Arizona - Colorado - New Mexico - South Dakota - Utah - US
Arizona - Colorado - New Mexico - South Dakota - Utah - US
Barosaurus lentus - Utah - Diplodocidae Diplodocinae - Jurassic Late Kimmeridgian Tithonian (?Cretaceous Early ?Aptian Albian Cenomanian)
Hypsilophodon wielandi - South Dakota - Dryosauridae Nomina Dubia - Cretaceous Early Barremian
Ornithopod footprints - Arizona - Ornithopoda - Cretaceous Early Cretaceous Late Aptian Albian Cenomanian
Ornithopod footprints - Colorado - Ornithopoda - Cretaceous Early Cretaceous Late Aptian Albian Cenomanian
Theropod footprints - Colorado - Theropoda - Cretaceous Early Cretaceous Late Aptian Albian Cenomanian
Ornithopod footprints - New Mexico - Ornithopoda - Cretaceous Early Aptian Albian
Theropod footprints - New Mexico - Theropoda - Cretaceous Early Aptian Albian
Theropod footprints - South Dakota - Theropoda - Cretaceous Early Barremian
Hypsilophodontid indet. - Utah - Ornithopoda - Cretaceous Early Cretaceous Late Aptian Albian Cenomanian
Iguanodontid indet. - Utah - Ornithopoda - Cretaceous Early Cretaceous Late Aptian Albian Cenomanian