On the Species of the Genus Palaeoxyris, BRONGNIART, occurring in British Carboniferous Rocks. Proceedings of the Royal Physical Society of Edinburgh, 9, 54–64
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The unique Pennsylvanian chondrichthyan multi-taxa nursery of Mazon Creek. Absract. Schriftenreihe der Deutschen Gesellschaft für Geowissenschaften, 85: 121