kessleri, Clupea Grimm [O. von] 1887:7, 16 [Sel'skoe khozyaistvo i lesovodstvo 1887 (no. 2); ref. 20032] Volga River delta, Astrakhan. Lectotype: ZIN 15925. Paralectotypes: ZIN 15922 (1). Lectotype selected by Berg 1913:32 [ref. 14941]. •Valid as Caspialosa kessleri (Grimm 1887) -- (Berg 1948:127 [ref. 12882]). •Synonym of Alosa pontica (Eichwald 1838), but a valid subspecies -- (Heckman 1991:325 [ref. 24828]). •Valid as Alosa kessleri (Grimm 1887) -- (Whitehead 1985:201 [ref. 5141], Reshetnikov et al. 1997:727 [ref. 24702], Dorofeeva 1998:26 [ref. 23573], Kottelat & Freyhof 2007:70 [ref. 29996], Esmaeili et al. 2010:366 [ref. 33391], Jouladeh-Roudbar et al. 2015:859 [ref. 34062], Esmaeili et al. 2017:28 [ref. 35254], Esmaeili et al. 2018:9 [ref. 36089], Dyldin et al. 2020:80 [ref. 37569], Jouladeh-Roudbar et al. 2020:24 [ref. 37983], Kuljanishvili et al. 2020:[4] [ref. 37535], Dyldin et al. 2022:[14] [ref. 39193], Çiçek et al. 2024:40 [ref. 40789]). Current status: Valid as Alosa kessleri (Grimm 1887). Alosidae. Distribution: Eurasia: Caspian Sea basin. Habitat: freshwater, brackish, marine.