The Chaunaca Formation is a Campanian geologic formation of Bolivia. Fossil sauropod tracks have been reported from the formation.Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.Humaca tracksite at Fossilworks.org
See also List of dinosaur-bearing rock formations List of stratigraphic units with sauropodomorph tracks Sauropod tracks
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