Třída: Chondrichthyes - paryby
Řád: Squaliformes - ostrouni
Čeleď: Squalidae - ostrounovití

Synonyma: Squalus acanthias acanthias Linnaeus, 1758; Squalus spinax (non Linnaeus, 1758); Squalus canis Forster, 1777; Squalus fernandinus Molina, 1782; Squalus achantias Latreille, 1804; Acanthias antiguorum (Leach, 1818); Squalus antiquorum Leach, 1818; Acanthias vulgaris Risso, 1827; Acanthias americanus Storer, 1846; Spinax mediterraneus Gistel, 1848; Squalus sucklii (Girard, 1855); Spinax suckleyi Girard, 1855; Squalus suckleyi (Girard, 1855); Acanthias sucklii (Girard, 1855); Acanthias linnei Malm, 1877; Acanthias lebruni Vaillant, 1888; Acanthias commun Navarette, 1898; Squalus mitsukurii (non Jordan & Fowler, 1903); Squalus wakiyae Tanaka, 1918; Squalus kirki Phillipps, 1931; Squalus whitleyi Phillipps, 1931; Squalus barbouri Howell-Rivero, 1936; Squalus acanthias africana Myagkov & Kondyurin, 1986.

Jiná pojmenování: Žralok ostroun obecný.

Typová lokalita: Evropská moře.

Velikost: ♂ 160 cm, ♀ 120 cm

Reference: Linnaeus, C. 1758. Systema Naturae, Ed. X. (Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata.) Holmiae. Systema Nat. ed. 10 v. 1: i-ii + 1-824.