1. XVI.—On Anthracosaurus Russelli (Huxley)
2. Notes on the vertebral column and other remains of Loxomma allmanni, Huxley;Atthey T.;Trans. nat. Hist. Soc. Northumb.,1884
3. Rhachitomous vertebrae in the loxommid amphibian Megalocephalus;Baird D.;Bull. geol. Soc. Am.,1957
4. A rhachitomous amphibian, Spathicephalus, from the Mississippian of Nova Scotia;Baird D.;Breviora,1962
5. The aïstopod amphibians surveyed;Baird D.;Breviora,1964