WYOMING

FREMONT COUNTY

OLD THERMOPOLIS ROAD ABOUT 18 MILES NORTHWEST OF LYSITE

CHUGWATER FORMATION ABOUT 40 FEET BELOW THE ALCOVA LIMESTONE

SPATHIAN STAGE

UPPERMOST SCYTHIAN EPOCH

LATE EARLY TRIASSIC

ICHNOSTEM: TETRAPODIPIDA NOVA

ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA

ICHNOCLASS: REPTILIPEDIA VIALOV, 1966

ICHNOSUBCLASS: DIAPSIDIPIDII NOVA

ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA

ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA

Ichnofamily: RHYNCHOSAUROIDIDAE Haubold, 1966.

*Rhynchosauroides palamatus
= Collettosaurus palmatus
= Akropus palmatus
= *Eurichnus jenseni

ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA

ICHNOLEGION: DINOSAUROMORPHIPEDA NOVA

ICHNOSUBLEGION: DINOSAURIFORMEIPEDIDII NOVA

ICHNOSUPERCOHORT: DINOSAUROPEDIDA NOVA

ICHNOCOHORT: ORNITHISCHIFORMEIPIDA NOVA

ICHNOSUPERORDER: PROSAUROPODAMORPHIPIDA NOVA

ICHNOORDER: PROSAUROPODINA VYLOV, 1988

Ichnofamily: OTOZIDAE emend Lull, 1904

Otozoum sp

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