CHIN, EBERTH & SLOBODA, 1999, CHIN, EBERTH, SCHWEITZER, RANDO, SLOBODA & HORNER, 2003

Locality: Near Onefour, Dinosaur Provincial Park, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy: Lethbridge coal zone.

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

RTMP 98.102.7: Coprolite with muscle scars from prey.
Note: Tyrannosaurid.