Males have a pair of spurs on their hind limbs.
Both of them had to strain to flip it over so they could remove its other hind limb.
The hind limbs were probably always flexed at the knee, the scientists reported.
It had short hind limbs but its hands and feet were relatively large.
The presence of the hind limbs presents a problem with this placement however.
There are two major ideas for the presence of hind limbs in Pachyophiidae.
The hind limbs are also long and slender without distinct bars of color.
The thing stood like a man, erect upon its hind limbs.
Roddy ran his hand over the head, along the back and down the great muscles of the hind limbs.
Among them was the right lower hind limb of a small theropod.