Distinct from Yarasuchus, Qianosuchus had shorter cervicals, a broader scapula and deeper chevrons.
Distinct from Vjushkovia, Qianosuchus had a relatively smaller skull, longer neck, shorter torso, deeper tail and more slender limbs. The rostrum was longer. The naris was located further posteriorly. The notch in the premaxilla/maxilla suture was deeper.
The dorsal scapula was double the width of the ventral portion.
The pubis was as long as the ichium. The pedes were more gracile.