1. Rhaetic ostracoda;Anderson;Bulletin of the Geological Survey of Great Britain,1964
2. Notes on a recent exposure of the Lower Lias and Rhaetics in the Spinney Hills, Leicester;Bates;Transactions of the Leicester Literary and Philosophical Society,1886
3. New records of the Westbury Formation (Penarth Group, Rhaetian) in North Yorkshire, England;Benfield,1988
4. Preliminary notice of an exposure of Rhaetic rocks near East Leake, Nottinghamshire;Browne;Report of the British Association for the Advancement of Science,1895