Nicholas C. Fraser, Kevin Padian, Gordon M. Walkden, A. L. M. Davis: Basal dinosauriform remains from Britain and the diagnosis of the Dinosauria. In: Palaeontology. Bd. 45, Nr. 1, 2002, ISSN0031-0239, S. 79–95, doi:10.1111/1475-4983.00228.
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Nicholas C. Fraser, Kevin Padian, Gordon M. Walkden, A. L. M. Davis: Basal dinosauriform remains from Britain and the diagnosis of the Dinosauria. In: Palaeontology. Bd. 45, Nr. 1, 2002, ISSN0031-0239, S. 79–95, doi:10.1111/1475-4983.00228.