Figure 1. Variations of Bipedal Dinosaur Tracks

A. Bipedal dinosaur in digitigrade stance
B. Typical bipedal dinosaur track
C. Bipedal dinosaur track with partial metatarsal impression
D. Bipedal dinosaur in plantigrade stance
E. Elongated dinosaur track with full metatarsal impression
F. Elongated dinosaur track with digit marks obscurred by mud back-flow
G. Elongated dinosaur track with indistinct digits. May be the result of a firm substrate, erosion, secondary infilling, or a combination of factors. Note resemblance to a human footprint.

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