vistonica, Alosa caspia Economidis [P. S.] & Sinis [A. I.] 1986:729, Fig. 3 [Journal of Natural History v. 20 (no. 3); ref. 8969] Lake Vistonis, Greece. Holotype: MZUTH D-351. Paratypes: BMNH 1987.3.30.1-3 (3); MZUTH C346 (7), D20 (1), E15 (8), VA-75/76 (26), Z30 (3). •Synonym of Alosa caspia (Eichwald 1838), but a valid subspecies as described -- (Economidis & Sinis 1991:199 [ref. 24839], Economidis 1995:203 [ref. 23025]). •Valid as Alosa vistonica Economidis & Sinis 1986 -- (Kottelat 1997:41 [ref. 22952], Kottelat & Freyhof 2007:73 [ref. 29996], Barbieri et al. 2015:40 [ref. 35029]). Current status: Valid as Alosa vistonica Economidis & Sinis 1986. Alosidae. Distribution: Lake Vistonis, Greece (possibly extinct). Habitat: freshwater, brackish.