Ichnospecies: jeffersonensis (MEHL, 1931) STRAND, 1932
Etymology: In reference to Jefferson County, Colorado.
= Waltheria jeffersonensis MEHL, 1931

Holotype:

Locality: 2 miles northeast of Golden, Jefferson County, Colorado.

Horizon: Base of the Upper Dakota Group.

Biostratigraphy:

Age: Early Cretaceous.

Material:

A635 VP, University of Missouri: A cleaned left front foot.

B635 VP, University of Missouri: A clean right forefoot.

Referred material:

Number: Not given: Fragments of other prints.
Note: Webbed prints.