VIRGINIA

STAFFORD COUNTY

GOVERNMENT ISLAND

A PARK NE OF STRAFORD

PATUXENT FORMATION

EARLY ALBIAN STAGE

MIDDLE GALLIC SUBEPOCH

LATE EARLY CRETACEOUS EPOCH

EARLY CRETACEOUS

ICHNOSTEM: TETRAPODIPIDA NOVA

ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA

ICHNOCLASS: REPTILIPEDIA VIALOV, 1966

ICHNOSUBCLASS: DIAPSIDIPIDII NOVA

ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA

ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA

ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA

ICHNOLEGION: DINOSAUROMORPHIPEDA NOVA

ICHNOSUBLEGION: DINOSAURIFORMEIPEDIDII NOVA

ICHNOSUPERCOHORT: DINOSAUROPEDIDA NOVA

ICHNOCOHORT: ORNITHISCHIFORMEIPIDA NOVA

ICHNOSUPERORDER: SAUROPODOMORPHIPIDA NOVA

Ichnoorder: SAUROPODINA emend Vylov, 1988

Brontopodus birdi

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VIRGINIA

STAFFORD COUNTY

0.25 MILES SOUTHF OF POTOMAC CREEK

ALONG U.S. HIGHWAY 1 (NOW GONE)

PATUXENT FORMATION

EARLY ALBIAN STAGE

MIDDLE GALLIC SUBEPOCH

LATE EARLY CRETACEOUS EPOCH

EARLY CRETACEOUS

ICHNOSTEM: TETRAPODIPIDA NOVA

ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA

ICHNOCLASS: REPTILIPEDIA VIALOV, 1966

ICHNOSUBCLASS: DIAPSIDIPIDII NOVA

ICHNOSTEM-GROUP: NEODIAPSIDIPEDII NOVA

ICHNOINFRACLASS: NEODIAPSIDIPEDII NOVA

ICHNOSUBDIVISION: ARCHOSAURIPEDIDII NOVA

ICHNOLEGION: DINOSAUROMORPHIPEDA NOVA

ICHNOSUBLEGION: DINOSAURIFORMEIPEDIDII NOVA

ICHNOSUPERCOHORT: DINOSAUROPEDIDA NOVA

ICHNOCOHORT: THEROPODIPEDIA NOVA

ICHNOSUPERORDER: NEOTHEROPODOPEDIDA NOVA

ICHNOORDER: MANIRAPTORFORMIPIDA NOVA

ICHNOSUBORDER: COELURIPIDA NOVA

Ichnosuperfamily: TYRANNOSAUROIPIDEA Nova

Ichnofamily: TYRANNOSAURIPODIDAE emend Vylov, 1988

*Tyrannosauripus bachmani

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