Debrenne, F., Zhuravlev, A. Y., & Kruse, P. D. (2012). Treatise Online no.56: Part E, Revised, Volume 4, Chapter 20C: Archaeocyatha and Cribricyatha nomina nuda; Taxa not Archaeocyatha, Radiocyatha, or Cribricyatha. Treatise Online. https://doi.org/10.17161/to.v0i0.4429