ARIZONA
APACHE CANYON
NORTHWEST FLANK OF CARRIZZO MOUNTAINS
UNSURVEYED TERRITORY ABOUT 16.5 MILES SOUTHWEST OF FOUR CORNERS.
SALT WASH MEMBER
MORRISON FORMATION
ZONE 2
COMOBLUFFIAN AGE
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
*Pteraichnus saltwashensis