1. Barskov, I.S., Alekseev, A.S., Kononova, L.I., and Migdisova, A.V., Opredelitel’ konodontov verkhnego devona i karbona (Key to Upper Devonian and Carboniferous Conodonts), Moscow: Mosk. Gos. Univ., 1987.
2. Becker, R.T. and Hartenfels, S., Species list of Palmatolepis, Subcommission on Devonian Stratigraphy. Newsletter, 2016, no. 31, pp. 35–44.
3. Branson, E.B. and Mehl, M.G., Conodonts from the Grassy Creek Shale of Missouri, Missouri Univ.
Studies, 1934, vol. 8, no. 3, pp. 171–259.
4. Bushnev, D.A., Plotitsyn, A.N., Gruzdev, D.A., and Burdelnaya, N.S., Organic matter of the Famennian deposits of the southern part of the Chernyshev Ridge (section on the Izyael River), Neftegaz. Geol. Teor. Prakt., 2017, vol. 12, no. 3, pp. 1–17.
5. Çapkinoğlu, Ş., Conodont fauna and biostratigraphy of the Famennian of Büyükada, İstanbul, Northwestern Turkey, Boll. Soc. Paleontol. Ital., 1997, vol. 35, no. 2, pp. 165–185.