Where: Utah (38.0° N, 110.8° W: paleocoordinates 34.4° N, 57.5° W)

• coordinate estimated from map

When: Morrison Formation, Kimmeridgian to Kimmeridgian (155.7 - 145.5 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: trace

Primary reference: S. Ishigaki and Y. Matsumoto. 2009. "Off-tracking"-like phenomenon observed in the turning sauropod trackway from the Upper Jurassic of Morocco. Memoir of the Fukui Prefectural Dinosaur Museum 8:1-10 [M. Carrano/M. Oreska] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 97942: authorized by Matt Carrano, entered by Matthew Oreska on 09.09.2010