Navahopodidae Olsen and Galton, 1984

Milàn, Jesper, Loope, David B. & Bromley, Richard G., 2008, Crouching theropod and Navahopus sauropodomorph tracks from the Early Jurassic Navajo Sandstone of USA, Acta Palaeontologica Polonica 53 (2), pp. 197-205 : 198

Ichnofamily Navahopodidae Olsen and Galton, 1984

Emended diagnosis.—Quadrupedal trackways with strong heteropody. The pes is tetradactyl with impressions of slen− der, clawed digits. Digit I shortest, and digits III or IV the longest. Pedal digits can be orientated either inward or outward. Manus trace tri− or tetradactyl, having impressions of short, clawed digits II and III directed forward, and a horizontally recumbent, falciform medially directed trace of a pollex claw.