caecchia, Squalus Nardo [G. D.] 1847:col. 111 [Sinonimia moderna delle specie registrate nell' opera intitolata: ...; ref. 17994] Venice, Italy, Adriatic Sea (Mediterranean Sea). Appeared as name only in synonymy in Nardo 1847:col. 111 [ref. 17994], Nardo 1847:39 [ref. 18469], Nardo 1853:15 [ref. 26342], and Ninni 1872:6 [ref. 17995]. Neither Ninni nor any references cited within contained a description. •In the synonymy of Carcharhinus plumbeus (Nardo 1827) -- (Compagno 1973:25 [ref. 7163] as cacchia, Compagno 1984:493 [ref. 6846], Voigt & Weber 2011:89 [ref. 31424], Dyldin 2015:53 [ref. 34524]). Nomen Nudum. Current status: Synonym of Carcharhinus plumbeus (Nardo 1827). Carcharhinidae. Habitat: brackish, marine.