Trochosaurus was named as a new genus of lycosuchid by Sidney H. Haughton with the species T. intermedius in 1915. The same year, Robert Broom had named a second species of another, similar genus of large early therocephalian, Trochosuchus major.
In 1915, Sidney H. Haughton described Trochosaurus as a new genus of lycosuchid, naming the species T. intermedius.  At the same time, Robert Broom named another species from a different genus of large early therocephalians, called Trochosuchus major.