Ichnospecies: gigas (MARITN, 1922) MOODIE, 1931
Etymology: Greek, gigas, "giant."
= Onychopus gigas MARTIN, 1922
Etymology:

Holotype:

Locality: Sandstone cliffs bordering the Wakarusa Creek, a narrow ravine that empties into Wakarusa Creek from the east near Dightman Bridge, 5 miles East of Lawrence, Kansas.

Horizon:

Biostratigraphy:

Age: Coal-measures.

Material: 9 trackways.
Note: A very large animal.