Order Spiriferida Waagen 1883

Genus Rukavischnikovia gen. nov. (= Iliella Rukavischnikova non Tschernyschev, 1940) Type species. Rukavischnikovia minima (Rukavischnikova) comb. nov. (= Iliella minima Rukavischnikova in Nikitin & al., 1980: 72, tab. 21, figs 12-18, 23, text-fig. 10). Holotype: 257/11678 [Central Scientific-Research Geological Exploration Museum after S. N. Chernyshev (CNIGRMuseum), S.-Petersburg, Russian Federation]. Stratum typicum: Upper Ordovician (Katian = Chokparian horizon). Locus typicus: Oysu creek, Anzhar river, Dulankara mountains, Southern Kazakhstan.

Diagnosis. See Rukavschnikova (in Nikitin et al., 1980: 72).

Remarks. It should be noted that this brachiopod genus was inadvertently omitted from the revised Brachiopod Treatise.