Like several other dinosaur genera named by Joseph Leidy (Deinodon, Thespesius, and Trachodon), it is an historically important genus with a convoluted taxonomy that has been all but abandoned by modern dinosaur paleontologists.
Like Deinodon, Thespesius, and Trachodon, which were also named by Joseph Leidy, this genus holds a significant place in the history of dinosaur taxonomy, although its current classification has largely fallen out of favor with contemporary paleontologists.