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
_____________________________________________________________________________________
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
_____________________________________________________________________________________
VIRGINIASTAFFORD COUNTY
ON A SMALL BLOCK OF SIDERITE-CEMENTED SANDSTONE
PATUXENT FORMATION
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
ICHNOMAGNORDER: ORNITHISCHIPIDA NOVA
ICHNOSUPERORDER: NEORNITHISCHIPIDA NOVA
ICHNOGRANDORDER: ORNITHOPODIPDIA NOVA
ICHNOMICRORDER: EUORNITHOPODIPIDA NOVA
ICHNOORDER: HYPSILOPHODONIPEDII NOVA
Ichnofamily: HYPSILOPHODONIPODIDAE Nova
Hypsiloichnus marylandicus
_____________________________________________________________________________________
STAFFORD COUNTY
LOCATED 0.25 MILES SOUTH OF POTOMAC CREEK
BACHMAN LOCALITY
PATUXENT FORMATION
EARLY CRETACEOUS
ICHNOSTEM: TETRAPODIPIDA NOVA
ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA
ICHNOCLASS: AMPHIBIPIDIDA NOVA
Anurian
Gen. sp indet.
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: NEOTETANURIPEDIDII NOVA
ICHNOSUBORDER: CARNOSAURIPODOIDEI emend VYLOV, 1988
Ichnofamily: MEGALOSAURIPODIDAE emend Vylov, 1988
Megalosauripus sp
= Megalosauropus spICHNOCOHORT: ORNITHISCHIFORMEIPIDA NOVA
ICHNOMAGNORDER: ORNITHISCHIPIDA NOVA
ICHNOSUPERORDER: NEORNITHISCHIPIDA NOVA
ICHNOGRANDORDER: ORNITHOPODIPDIA NOVA
ICHNOMICRORDER: EUORNITHOPODIPIDA NOVA
ICHNOORDER: IGUANODONTIPIDIA NOVA
ICHNOSUBORDER: ANKYLOPOLLEXIPEDIDA NOVA
ICHNOINFRAORDER: STYRACOSTERNIPIDA NOVA
ICHNOPARVORDER: HADROSAURIFORMIPEDIDA NOVA
ICHNOSUPERFAMILY: HADROSAUROIDIPEDIA NOVA
Ichnofamily: HADROSAURIOPDIDAE Vylov, 1988
Amblydactylus sp