Dracunculoid nematodes (Spirurida: Dracunculoidea) of fishes from the Volga River delta

Faunistic and some morphological data, as well as nomenclature notes on dracunculoid nematodes parasitising fishes in the Volga River delta, are presented. The author replaced a preoccupied generic name Molnaria Moravec, 1968 (Skrjabillanidae) by the new name Kalmanmolnaria nom. nov. The validity of Philometroides lusii (Vismanis, 1962) comb. nov. as a senior objective synonym of Philometroides lusiana (Vismanis, 1967) Ivaschkin et al., 1971 is restored.