King, W. 1850. A Monograph of the Permian Fossils of England. Monographs of the Palaeontographical Society, London 3(5): 1-258. https://www.biodiversitylibrary.org/page/49947690.
King, 1850. Monogr. Palaeo. Soc. London 3(5): ??.
Type genus: Edmondia de Koninck, 1841 = Edmondia