all sharp-toothed carnivores that were bipedal, or walked on their two hind legs.
(all sharp-toothed carnivores; were; bipedal) (all sharp-toothed carnivores; walked; L:on their two hind legs)
all sharp-toothed carnivores all sharp-toothed carnivores
were walked
bipedal
L:on their two hind legs