Třída: Actinopterygii - paprskoploutví
Řád: Siluriformes - sumci
Čeleď: Ariidae - křížovcovití

Synonyma: Arius africanus (non Günther, 1867); Arius capellonis Steindachner, 1867; Arius granulatus Peters, 1868; Arius heudeloti (non Valenciennes, 1840); Arius heudelotii (non Valenciennes, 1840); Galeichthys latiscutatus (non Günther, 1864); Hexanematichthys latiscutatus (non Günther, 1864); Tachysurus capellonis (Steindachner, 1867); Tachysurus capellonsis (Steindachner, 1867); Tachysurus gambensis (non Bowdich, 1825); Tachysurus heudelotti (non Valenciennes, 1840).

Typová lokalita: Lagos, Nigérie.

Reference: Günther, A. 1864. Catalogue of the fishes in the British Museum. Catalogue of the Physostomi, containing the families Siluridae, Characinidae, Haplochitonidae, Sternoptychidae, Scopelidae, Stomiatidae in the collection of the British Museum. Cat. Fishes v. 5: i-xxii + 1-455.