References
- Read before the Geological Society of London, June 22, 1892, as Part 5 of Contributions to Knowledge of the Saurischia of Europe and Africa
- 1894 . Trans. Roy. Soc. , B ( cvi ) pl. lxiii. fig. 2.
- It is figured in Quart. Journ. Geol. Soc. xxvi pl. iii. figs. 9, 10.