PaleoDB taxon number: 140788
Full reference: N. R. Longrich and P. J. Currie. 2009. Albertonykus borealis, a new alvarezsaur (Dinosauria: Theropoda) from the Early Maastrichtian of Alberta, Canada: implications for the systematics and ecology of the Alvarezsauridae. Cretaceous Research 30(1):239-252
Sister taxa: none
Type specimen: TMP 2001.45.91, a limb element (left ulna). Its type locality is Albertosaurus Bonebed, Dry Island Buffalo Jump, which is in a Maastrichtian coarse channel fill sandstone in the Horseshoe Canyon Formation of Canada.
Ecology: ground dwelling carnivore
Average measurements (in mm): tibia length 191.0, ulna length 27.0