squalus, Leuciscus Bonaparte [C. L.] 1837:fasc. 19, punt. 96, Pls. 111 (fig. 1), 112 (fig. 2) [Iconografia della fauna italica; ref. 4893] River Tiber, Italy. Lectotype: ANSP 6273. Syntypes and/or Bonaparte specimens: ANSP 6274-6309 (36), MNHN 0000-5421 (4) Tiber R. Type catalog: Bertin & Estève 1948:61 [ref. 19574], Böhlke 1984:91 [ref. 13621]. Lectotyope designated by Bianco 2014:91 [ref. 33536]. •Synonym of Leuciscus cephalus (Linnaeus 1758) -- (Kottelat 1997:65 [ref. 22952]). •Synonym of Squalius cephalus (Linnaeus 1758). •Valid as Squalius squalus (Bonaparte 1837) -- (Kottelat & Freyhof 2007:274 [ref. 29996], Bogutskaya & Zupančič 2010:53 [ref. 30905], Zupančič et al. 2010:155 [ref. 31002], Perea et al. 2010:13 [ref. 31802], Bianco 2013:6 [ref. 32897], Bianco 2014:92 [ref. 33536], Ćaleta et al. 2019:167 [ref. 37026], Lorenzoni et al. 2019:252 [ref. 37108], Buj et al. 2019:[16] [ref. 37174] with authors Heckel & Kner 1858). Current status: Valid as Squalius squalus (Bonaparte 1837). Leuciscidae: Leuciscinae. Distribution: Southern Europe: Italy and France; eastern Adriatic basin (Slovenia, Croatia and Bosnia and Herzegovina). Habitat: freshwater.