Anatomy: Procompsognathus may have been about 3.8 feet (1.2 m) long, weighing roughly 2.2 pounds (1 kg). A biped, it had long hind legs, short arms, large clawed hands (which it used to catch prey), a long pointed snout with many pointed teeth, and a stiff, pointed tail.

Fossils: A very incomplete Procompsognathus skeleton was found in Württemberg, Germany.