NEW MEXICO
SAN JUAN COUNTY
ALONG TWO MILE CREEK ON THE EAST SLOPE OF THE LA SAL MOUNTAINS
GRAY DAUN MINE
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
ICHNOINFRADIVISION: CROCODYLOTARSIPEDIDII NOVA
ICHNOSUPERORDER: CROCODYLOMORPHIPEDIDA WALKER, 1968
Ichnofamily: BATRACHOPOIDIDAE emend Lull, 1904
*Hatcherichnus sanjuanensis
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