Tolokonnikova, Z. A., and P. V. Fedorov. “Morphological Features of Late Ordovician (Sandbian) Bryozoans from the Basin of Khrevitsa River (north-Western Russia) and Description of a New Species of the Genus Prophyllodictya Gorjunova, 1987”. Zootaxa, vol. 5284, no. 2, May 2023, pp. 337-50, doi:10.11646/zootaxa.5284.2.6.