COLORADO
DELTA COUNTY
LITTLE PARK RECREATION AREA
NATURITA FORMATION
"DAKOTA" GROUP
APTAIN STAGE
GALLIC SUBEPOCH
LATE EARLY CRETACEOUS EPOCH
LATE EARLY CRETACEOUS-CENOMANIAN STAGE
LATE GALLIC SUBEPOCH
EARLY GULF EPOCH
MIDDLE CRETACEOUS
ICHNOSTEM: TETRAPODIPIDA NOVA
ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA
ICHNOCLASS: REPTILIPEDIA VIALOV, 1966
ICHNOSUBCLASS: DIAPSIDIPIDII NOVA
ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA
ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA
ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA
ICHNOLEGION: DINOSAUROMORPHIPEDA NOVA
ICHNOSUBLEGION: DINOSAURIFORMEIPEDIDII NOVA
ICHNOSUPERCOHORT: DINOSAUROPEDIDA NOVA
ICHNOCOHORT: ORNITHISCHIFORMEIPIDA NOVA
ICHNOMAGNORDER: ORNITHISCHIPIDA NOVA
ICHNOSUPERORDER: NEORNITHISCHIPIDA NOVA
ICHNOGRANDORDER: ORNITHOPODIPDIA NOVA
ICHNOMICRORDER: EUORNITHOPODIPIDA NOVA
ICHNOORDER: IGUANODONTIPIDIA NOVA
ICHNOSUBORDER: ANKYLOPOLLEXIPEDIDA NOVA
ICHNOINFRAORDER: STYRACOSTERNIPIDA NOVA
ICHNOPARVORDER: HADROSAURIFORMIPEDIDA NOVA
Ichnosuperfamily: IGUANODONTIDEA Nova
Ichnofamily: IGUANODONTIPODIDAE emend Vylov, 1988
Caririchnium sp
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