On some new fossil fish of the Carboniferous period. Annals and Magazine of Natural History, (Series 2), 2, 1–10; 115–133
The stem-holocephalan Helodus (Chondrichthyes; Holocephali) and the evolution of modern chimaeroid dentitions. In: Ancient Fishes and their Living Relatives: a Tribute to John G. Maisey. Alan Pradel, John S. S. Denton & Philippe Janvier (eds.): pp. 205-214, Verlag Dr. Friedrich Pfeil, München, Germany
