1. Arendt, Yu.A., Three-armed crinoids, Trudy Paleontol. Inst. Akad. Nauk SSSR, 1981, vol. 189, pp. 1–195.
2. Borkhwardt, D.V. and Nessov, L.A., New finds of the remains of Vendian (Precambrian) multicellular organisms on the Winter Coast of the White Sea, Trudy Zool. Inst. Ross. Akad. Nauk, 1999, vol. 277 (Materialy po istorii fauny Yevrazii), pp. 50–57.
3. Chesunov, A.V., Biologiya morskikh nematod (Biology of marine nematodes), Moscow: Tovarishchestvo nauchnykh izdaniy KMK, 2006.
4. Clites, E.C., Droser, M.L., and Gehling, J.G., The advent of hard-part structural support among the Ediacara biota: Ediacaran harbinger of a Cambrian mode of body construction, Geology, 2012, vol. 40, pp. 307–310.
5. Dzik, J., Anatomical information content in the Ediacaran fossils end their possible zoological affinities, Integr. Comp. Biol., 2003, pp. 114–126.