Holotype

Seeley, H. G. (1869) Index to the Fossil remains of Aves, Ornithosauria, and Reptilia, from the Secondary System of Strata arranged in the Woodwardian Museum of the University of Cambridge;

Holotype

Lydekker, Richard (1889) Catalogue of Fossil Reptilia and Amphibia in the British Museum (Natural History) Part II;