immaculata, Alosa Bennett [E. T.] 1835:92 [Proceedings of the Zoological Society of London 1835 (pt 3); ref. 16793] Near Trabzon [Trebizond], Turkey, Black Sea. No types known. •Doubtfully a senior synonym of Caspialosa kessleri (Grimm 1887) -- (Berg 1948:124 [ref. 12882], Whitehead 1985:204 [ref. 5141]). •In the synonymy of Alosa pontica (Eichwald 1838) -- (Kolarov 1991:337 [ref. 24842]). •Valid as Alosa immaculata Bennett 1835 -- (Kottelat 1997:38 [ref. 22952], Bilecenoğlu et al. 2002:35 [ref. 26753], Bogutskaya & Naseka 2004:33 [ref. 28183], Faria et al. 2006:301 [ref. 39548], Fricke et al. 2007:26 [ref. 29533], Kottelat & Freyhof 2007:69 [ref. 29996], Vasil'eva 2007:48 [ref. 30517], Ninua & Japoshvili 2008:164 [ref. 31251], Parin et al. 2014:54 [ref. 33547], Çiçek et al. 2015:143 [ref. 35151], Artüz & Fricke 2019:553 [ref. 36612], Ćaleta et al. 2019:147 [ref. 37026], Çiçek et al. 2020:243 [ref. 37644], Dyldin et al. 2020:80 [ref. 37569], Kuljanishvili et al. 2020:[4] [ref. 37535], Abliazov et al. 2021:8 [ref. 38576], Dyldin et al. 2022:[14] [ref. 39193], Niță et al. 2022:37 [ref. 40471], Çiçek et al. 2023:332 [ref. 40625], Çiçek et al. 2024:40 [ref. 40789]). Current status: Valid as Alosa immaculata Bennett 1835. Alosidae. Distribution: Black Sea, Sea of Azov and adjacent watersheds (Russia, Georgia and Turkey). Habitat: freshwater, brackish, marine.