Navahopus isp.

Description: Navahopus is a track made by a quadrupedal tetrapod vertebrate. This particular ichnogenus has been attributed to prosauropod tracemakers.

Age: Jurassic
Formation: Navajo
Location: Arizona, USA
Collector: Museum of Northern Arizona
Photographer: A. J. Martin
Comments: This is the holotype specimen for this ichnogenus. Tracks interpreted as belonging to prosauropods are relatively rare in the geologic record, especially in comparison to theropod and sauropod tracks.

Age: Jurassic
Formation: Navajo
Location: Arizona, USA
Collector: Museum of Northern Arizona
Photographer: A. J. Martin
Comments: Close-up of manus-pes prints from the previous image.