Holotype: In situ

Locality: Hermit Trail, Grand Canyon, Coconino County, Arizona.

Horizon: Coconino Sandstone.

Biostratigraphy:

Age: Lower Permian.

Material: Unusual trackway with tail drag.

Referred material:

In situ

Locality: Marble Canyon, Grand Canyon, Coconino County, Arizona.

Horizon: Coconino Sandstone.

Biostratigraphy:

Age: Lower Permian.

Material: Unusual trackway with tail drag.