Etheridge, R. (1881). Appendix A. - Palaeontology. In: Penning, W. H.; Jukes-Browne, A. J. (1881) The Geology of the Neighborhood of Cambridge. Memoir of the Geological Survey, London, pp. 132-148, pls. 1-3.
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Etheridge, R.
1881
Appendix A. - Palaeontology
In: Penning, W. H.; Jukes-Browne, A. J. (1881) The Geology of the Neighborhood of Cambridge. Memoir of the Geological Survey, London, pp. 132-148, pls. 1-3