Journal article
Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed
Citation
Larson, D. W.; Brinkman, D. B.; Bell, P. R. (2010). Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed. Canadian Journal of Earth Sciences 47(9).
Cited by genera
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Albertonykus
Places the Albertosaurus bonebed at the top of unit 4.
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Parksosaurus
Places the type in unit 4 of the upper Horseshoe Canyon Formation.