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