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On the genus Pleuracanthus, AGASS., including Orthacanthus, AGASS., and GOLDF., Diplodus, AGASS., and Xenacanthus, BEYR. Quarterly Journal of the Geological Society of London, 36, 321–336
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Revision of the Xenacanthida (Chondrichthyes: Elasmobranchii) from the Carboniferous of the British Isles. Transactions of the Royal Society of Edinburgh, Earth Sciences, 93(3), 191–237
DOI: 10.1017/S0263593300000419