Viviparus wesselinghi nom. nov.

Viviparus neumayri var. incerta Macarovici 1940: 322, pl. 5, figs 72–76 [non Vivipara incerta Fuchs, 1877].

Viviparus (Viviparus) achatinoides incertus — Taboyakova 1964: 43, pl. 1, figs 1–12, pl. 2, figs 1, 4–6 (cum syn.) [non Vivipara incerta Fuchs, 1877].

Viviparus (Viviparus) achatinoides incertus — Roshka 1973: 113, pl. 13, figs 150–152 [non Vivipara incerta Fuchs, 1877].

Viviparus incertus — Lubenescu & Zazuleac 1985: 83, pl. 14, figs 6–21 [non Vivipara incerta Fuchs, 1877].

Viviparus (Viviparus) incertus — Gozhik & Datsenko 2007: 39, pl. 52, fig. 25, pl. 53, figs 2, 6, 11, pl. 58, fig. 8 [non Vivipara incerta Fuchs, 1877].

Etymology. In honor of Frank P. Wesselingh (Naturalis, National Museum of Natural History, Leiden), a leading expert on Cenozoic freshwater mollusks.

Type locality. Vladychen' (= Impuţita) near Izmayil, Odessa, Ukraine.

Age. Dacian (= middle Zanclean).

Lectotype. No holotype was designated in the original publication; Taboyakova (1964, p. 43) designated the specimen illustrated in Macarovici (1940, pl. 5, fig. 72) as lectotype.

Discussion. As Macarovici introduced this taxon as variety before 1961, it is available as species-group name (ICZN 1999, Article 45.6.4). Here again the rule "difference in spelling of generic names" (ICZN 1999, Article 57.5) applies and Viviparus incerta [wrong gender] Macarovici, 1940 is a primary homonym of Vivipara incerta Fuchs, 1877 [= Viviparus incertus].