1. Amanniyazov, K.N., Stratigrafiya i ammonity verkhneyurskikh otlozhenii Tuarkyra (Stratigraphy and Ammonites of the Upper Jurassic of Tuarkyr), Krimholz, G.Ya., Ed., Ashkhabad: Akad. Nauk Turkm. SSR, 1962.
2. Arkell, W.J., The ammonite succession at the Woodham Brick Company’s Pit, Akeman Street Station, Buckinghamshire, and its bearing on the classification of the Oxford Clay, Q. J. Geol. Soc. London, 1939, vol. 95, pp. 135–222.
3. Arkell, W.J., Kummel, B., and Wright, C.W., Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L, Mollusca 4, Moore, R.C., Ed., Boulder CO–Lawrence, KS: Geol. Soc. Am.–Univ. Kansas Press, 1957, pp. L80–L465.
4. De Baets, K., Bert, D., Hofmann, R., Monnet, C., Yacobucci, M.M., and Klug, C., Ammonoid intraspecific variability, Ammonoid Paleobiology: From Anatomy to Ecology, Klug, C., Korn, D., De Baets, K., Kruta, I., and Mapes, R.H., Eds., Topics in Geobiology, vol. 43, New York: Springer, 2015, pp. 359–426.
5. Blake, J.F., A Monograph of the Fauna of the Cornbrash, Monogr. Palaeontogr. Soc., vols. 59, 61, London: Palaeontogr. Soc., 1905–1907.