Within theropods, it was found to be sufficiently different from one main groups of theropods including Coelurus, Calamosaurus, and Compsognathus, and the megalosaurids including Megalosaurus. Thus, Lydekker placed it in Thecodontosauridae, a group of theropods (now placed in Sauropodomorpha) including Thecodontosaurus.
The animal was distinct from other theropod dinosaurs, including Coelurus, Calamosaurus, Compsognathus, and Megalosaurus. Lydekker placed it in Thecodontosauridae, a group now classified as Sauropodomorpha, which also included Thecodontosaurus.