SOUTHEASTERN COLORADO
BACA COUNTY
FURNISH CANYON AREA
SUMMERVILE FORMATION
OXFORDIAN-KIMMERIDGIAN STAGE
UPPERMOST MALM EPOCH
LATE JURASSIC
ICHNOSTEM: TETRAPODIPIDA NOVA
ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA
ICHNOCLASS: REPTILIPEDIA VIALOV, 1966
ICHNOSUBCLASS: DIAPSIDIPIDII NOVA
ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA
ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA
ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA
ICHNOSUPERCOHORT: AVEMETATARSALIPEDII NOVA
ICHNOMAGNORDER: PROLACERTIFORMIPEDIDA NOVA
ICHNOORDER: PTEROSAURIPEDIDA EMEND VIALOV, 1966
Ichnofamily: PTERAICHNIDAE emend Lockley, Logue, Moratalla, Hunt, Schultz & Robinson, 1995
Gen. sp indet.
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