COLORADO

JEFFERSON COUNTY

CLAY PITS 5 KM NORTH OF GOLDEN

UPPER PART OF THE DAKOTA GROUP

LATE CRETACEOUS

ICHNOSTEM: TETRAPODIPIDA NOVA

ICHNOSUPERCLASS: AMNIOTAIPIDII NOVA

INCHNOCLASS: AVIPEDIA VIALOV, 1966

Ichnofamily: IGNOTORNIDAE emend Lockely, Yang, Matsukawa, Fleming & Lim, 1992

*Ignotornis mcconelli

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