N. Tseplik, D. Chudaev, and M. Kulikovskiy, “Pseudoplanothidium skadovskii (Bacillariophyceae, Cocconeidales)—a new small-celled diatom species from the Moscow Region, Russia”, Phytotaxa, vol. 778, no. 1, pp. 83–91, Oct. 2026.