Description originale
R. T. Bakker, P. M. Galton, and J. Siegwarth, J. Filla. 1990. A new latest Jurassic vertebrate fauna, from the highest levels of the Morrison Formation at Como Bluff, Wyoming, with comments on Morrison biochronology. Part IV. The dinosaurs: a new Othnielia-like hypsilophodontoid. Hunteria 2(6):8-19