Smith, J. (1847). On the age of the Tertiary beds of the Tagus, with a catalogue of the fossils. Quarterly Journal of the Geological Society of London. 3: 410-422, pls. 15-20.
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Smith, J.
1847
On the age of the Tertiary beds of the Tagus, with a catalogue of the fossils
Quarterly Journal of the Geological Society of London