ARKANSAS

HOWARD COUNTY

CERTAIN TEED GYPUSM MINE

DE QUEEN FORMATION

TRINITY GROUP

ALBIAN STAGE

MIDDLE GALLIC SUBEPOCH

UPPER 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

Incertae sedis

Gen. sp indet.

ICHNOCOHORT: ORNITHISCHIFORMEIPIDA NOVA

ICHNOSUPERORDER: SAUROPODOMORPHIPIDA NOVA

Ichnoorder: SAUROPODINA emend Vylov, 1988

Gen. sp indet.

ICHNOMAGNORDER: ORNITHISCHIPIDA NOVA

Incertae sedis

Gen. sp indet.

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ARKANSAS

HOWARD COUNTY

BRIAR

MIDDLE GLEN ROSE FORMATION

TRINITY GROUP

COMANCHEAN

LOWER CASHENRANCHIAN AGE

EARLY TO MIDDLE ALBIAN STAGE

MIDDLE GALLIC SUBEPOCH

UPPER 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

Gen. sp indet.

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