1. Bengtson, S., Taxonomy of disarticulated fossils, J. Paleontol., 1985, vol. 59, pp. 1350–1358.
2. Blais, S.A., MacKenzie, L.A., and Wilson, M.V.H., Toothlike scales in early Devonian eugnathostomes and the ‘Outside-In’ hypothesis for the origins of teeth in vertebrates, J. Vertebr. Paleontol., 2011, vol. 31, pp. 1189–1199.
3. Botella, H., Valenzuela-Ríos, J.I., and Carls, P., A new early Devonian thelodont from Celtiberia (Spain), with a revision of Spanish thelodonts, Palaeontology, 2006, vol. 49, pp. 141–154.
4. Burrow, C.J., Acanthodian dental elements from the Trundle Beds (Lower Devonian) of New South Wales, Rec. West. Austr. Mus., 1995, vol. 17, pp. 331–341.
5. Burrow, C.J., Microvertebrate assemblages from the Lower Devonian (pesavis/sulcatus zones) of central New South Wales, Australia, Mod. Geol., 1997, vol. 21, nos. 1/2, pp. 43–77.